Best Non Toxic Water Hose for Pure, Safe Water

Nothing ruins outdoor watering like a hose that contaminates your water or kinks at every turn. You get frustrated untangling the hose while wondering if the water is really safe for drinking or plants. Traditional hoses often hide harmful chemicals and cause disruptions with leaks or weak flow.

Camco’s hose uses reinforced PVC to block lead and phthalates while resisting kinks in tough use. Fevone’s design focuses on flexible hybrid polymers paired with durable aluminum fittings to keep water flowing smooth and clean without tangles.

Atlantic’s silicone hose offers a chemical-free, lightweight option for those who want completely pure water and easy handling. Each of these options tackles a unique problem in the search for safe, hassle-free watering.

Reliable Options for the Best Non Toxic Water Hose

Choosing a hose that maintains water purity without sacrificing durability or flexibility makes outdoor watering and drinking safe and hassle-free. Explore options designed to meet these needs effectively.

1. Camco Durable 25-Foot Lead-Free Drinking Hose with Diamond-Hatch PVC Reinforcement

Handling water for your outdoor activities demands a hose that won’t taint the taste or safety of your supply. This 25-foot hose from Camco delivers precisely that by using materials that exclude lead, BPA, and phthalates, providing clean, safe water flow for any adventure. The diamond-hatch reinforced PVC construction adds a robust layer of kink resistance, helping maintain steady water pressure without frequent interruptions from pinched tubing.

Its 5/8-inch inside diameter offers a dependable flow rate that suits RVs, gardening, pet care, and light car washing, while the UV-stabilized build guards against sun damage over time. Camco’s design doesn’t just focus on durability but prioritizes health-conscious materials with certifications that meet strict federal and state regulations.

Easy connection grips and a flexible white hose body make managing and storing it a straightforward task. Manufactured in the USA, this hose reflects a practical balance between longevity and user safety.

Camco addresses both the need for durability and the concern of hidden toxins common in standard hoses, ensuring you avoid unpleasant flavors and contaminants.

Best for: Campers, gardeners, and pet owners who require a health-safe water supply without sacrificing durability or convenience.

Pros:

• Certified lead-free and BPA-free for safe drinking water
• Diamond-hatch PVC for high kink-resistance and flexibility
• UV stabilized to extend lifespan in outdoor environments
• Ideal 25-foot length with 5/8-inch diameter for multiple uses
• Easy-to-handle grips for quick connection and storage

Cons:

• Primarily white color might show dirt more easily

2. Fevone 12 ft Outdoor Garden Hose with No-Kink Flexible Design & Aluminum Fittings

Keeping a steady, uninterrupted water flow in outdoor tasks often feels trickier than it should be. Tangled hoses can slow down your watering or cleaning routine and cause constant frustration. Designed to minimize these issues, the Fevone garden hose features a kink-resistant construction that helps maintain consistent pressure without frustrating tangles or sudden bursts.

Reinforced with a multi-layer design, this hose withstands pressures up to 600 PSI, making it suited for both casual home use and more demanding jobs. Its durable, abrasion-resistant outer layer wards off wear from dragging across rough surfaces like concrete or gravel, extending the hose’s lifespan.

Connections stay tight thanks to solid aluminum fittings, which reduce leaks and water waste. The 3/4″ threaded fittings are precision-engineered to firmly seal at the spigot and nozzle ends, offering reliable performance throughout each use.

Fevone takes health concerns into account by crafting the inner core from materials that comply with NSF standards, making the hose safe for water intended for pets, gardens, or even drinking purposes. Its 5/8″ diameter balances flexibility and flow rate efficiently.

The hose’s lightweight and flexible polymer makeup keeps it manageable and easy to coil away without stiffening excessively. Whether you need a dependable option for your garden or RV setup, this hose combines usefulness with safe, toxin-free materials to fit your everyday needs.

Best for: Homeowners and outdoor enthusiasts seeking a reliable, flexible hose safe for potable water uses and resistant to kinks and leaks.

Pros:

• Kink-resistant design supports smooth water flow
• Multi-layer construction handles up to 600 PSI
• Leak-proof solid aluminum fittings
• NSF-compliant inner core promotes water safety
• Durable outer layer resists abrasion and wear

Cons:

• Some may find it stiff in cold weather conditions

3. RVMATE 25FT Drinking Water Hose with Lead-Free Aluminum Connectors for RV & Garden Use

Keeping water taste pure and free from contaminants during travel or outdoor activities often involves more than just a standard hose. The RVMATE hose defies the assumption that all water hoses impart a rubbery flavor by being made from materials that eliminate this problem while meeting stringent CA65 standards.

Constructed with three layers of hybrid polymer and fitted with sturdy lead-free aluminum connectors, this hose is designed to resist kinks and abrasions, maintaining reliable water flow even when bent or stepped on. It recovers its shape quickly, avoiding the common frustration of reduced water pressure due to blockages.

Engineered to endure diverse climates, the hose remains flexible in freezing temperatures down to -4°F and tolerates intense sun exposure without becoming brittle, thanks to UV-resistant materials. The upgraded compression fittings alongside sealing rubber rings and PTFE tape work together for a leak-proof connection that adapts to varying pressures.

RVMATE’s attention to compatibility shines with standard 3/4” male and female fittings that match most U.S. water sources, making it a functional upgrade for RV owners, campers, boaters, or gardeners seeking a reliable hydration line without the chemical taste often associated with lesser hoses.

Best for: Enthusiasts who need a durable, safe water supply hose for RVs, trailers, or garden watering with peace of mind about water quality.

Pros:

• Lead and phthalate free, ensuring clean-tasting water
• Durable three-layer hybrid polymer construction
• Flexible in extreme temperatures and UV resistant
• Reliable leak prevention with advanced compression fittings
• Wide compatibility with common U.S. water connection sizes

Cons:

• May feel slightly less rigid compared to some traditional hoses

4. WELLUCK Heavy Duty Flexible Garden Hose 25 Ft with Lead-Free Brass Connectors

Handling water delivery tasks often means wrestling with hoses that kink or lose flexibility when stressed. The WELLUCK garden hose is designed with a unique 3-ply construction that resists kinking under pressure up to 600 PSI, keeping water flowing smoothly without interruption. Its flexibility makes unwinding and coiling straightforward, reducing storage hassle.

Constructed from food-grade rubber and equipped with solid lead-free brass fittings, this hose avoids common chemical concerns like BPA and phthalates often found in garden hoses. The absence of plastic odors confirms its suitability for sensitive uses such as watering edible plants or providing drinking water outdoors.

UV-resistant materials guard against sun damage that typically causes brittleness, while the rubber components sustain pliability even in temperatures as low as -45°F, preventing stiffness during colder months. This all-weather durability supports year-round use without losing shape or function.

Equipped with 3/4″ male and female connectors sealed by rubber gaskets, the system minimizes leaks and fitting deformations, ensuring a tight, reliable seal. The lightweight nature of WELLUCK’s hose adds convenience without sacrificing strength or puncture resistance.

Best for: Gardeners and outdoor enthusiasts requiring a durable, chemically safe hose that handles drinking water and diverse weather conditions.

Pros:

• Anti-kink design maintains water flow under high pressure.
• Food-grade rubber keeps the water free from harmful chemicals.
• Lead-free brass connectors provide durable, leak-resistant connections.
• UV and cold weather resistant for versatile outdoor use.
• Lightweight and flexible for easy handling and storage.

Cons:

• The bright color might not appeal to all users.
• Some may find the hose slightly less flexible when cold despite its design.

5. OULEME 25ft Premium Flexible RV Drinking Water Hose with Aluminum Fittings and Storage Bag

Finding a reliable water hose that resists kinks and won’t compromise water quality can be surprisingly challenging. This product combines a hybrid polymer composition with a netted reinforcement layer, providing enhanced flexibility without sacrificing long-lasting durability. The non-slip surface makes handling easier in damp or slippery conditions.

Equipped with solid aluminum male and female connectors, this hose offers a tight, leak-resistant seal compatible with most standard hose connections. It stands up to a broad temperature range from -22°F to 158°F, maintaining performance whether in harsh cold or warm weather. The hose can operate under pressures up to 150 PSI, with bursting resistance up to 450 PSI.

OULEME integrates design considerations that address concerns about chemical exposure by using BPA-, phthalate-, and lead-free materials. While some users notice an initial mild industrial scent when first in use, it typically dissipates after flushing. Its soft, pliable construction significantly reduces trouble with kinks and tangles, making storage hassle-free inside the included bag.

Corrosion-resistant fittings, a durable polymer blend, and a flexible internal structure make this an excellent choice for travel trailers, marine setups, and garden work alike. Its blue color and manageable weight round out a thoughtfully engineered product designed around everyday usability and water safety.

Best for: Campers and RV travelers needing a versatile hose that balances durability with easy handling and water safety.

Pros:

• Anti-kink hybrid polymer with netted reinforcement for flexibility and strength
• Solid aluminum connectors that prevent leaks
• Wide usable temperature range from cold to hot
• Includes convenient storage bag for portability
• Free of lead, BPA, and phthalates for safer water contact

Cons:

• Initial industrial scent may require flushing before drinking use

6. BIGFOOT 25 ft Lightweight Purple RV Fresh Water Hose with Aluminum Fittings

Carrying a heavy, kink-prone hose to your campsite often disrupts your setup and frustrates your plans. This 25-foot synthetic rubber hose offers a kink-resistant and flexible design that’s 30% lighter than conventional options, making it easier to maneuver and store.

Manufactured to meet stringent California safety standards, the hose is free from lead, BPA, and phthalates, preventing unwanted tastes or odors in your drinking water. Its food-grade quality appeals to those who prioritize health and safety during outdoor adventures.

Engineered with a spring-fitted aluminum end, flow restriction is minimized, while the opposite end features a rubber handle that fits common spigots securely. Together, these design points facilitate effortless connection and water delivery without leaks.

Bigfoot’s attention to portability shines in the hose’s synthetic rubber build that has no memory, allowing it to lie flat and coil easily without trouble. The vivid purple color stands out practically, making it easy to identify among your gear.

Best for: Campers, boaters, and RV travelers requiring a durable, safe drinking water solution that’s simple to manage and store.

Pros:

• Lightweight synthetic rubber reduces load and fatigue
• Meets California Prop 65 standards for toxin-free water delivery
• Non-kink design aids in hassle-free storage and use
• Aluminum fittings resist corrosion and restrict flow minimally
• Distinctive purple color enhances visibility at campsites

Cons:

• Could kink if not laid out carefully during use

7. Atlantic 15 ft Lightweight Silicone RV Hose with Food-Grade Stainless Steel Fittings

Replacing a tangled, heavy hose with a lighter alternative can transform your water experience on the road or at home. Crafted with food-grade silicone tubing and 304 stainless steel fittings, this Atlantic hose avoids the typical chemical residues found in traditional options. Its inner components are designed for purity, supporting better tasting and safer water delivery.

Free from PVC and other harmful chemicals, this hose stands out by reducing exposure to unwanted substances that often compromise water quality. Its flexibility and lightweight design are 30-40% easier to handle compared with conventional garden hoses of similar length, easing connection and storage challenges.

Handling issues like kinks become less frequent thanks to the silicone’s inherent elasticity, though extra care during shipping may sometimes affect its coil. The hose functions reliably across a broad range of temperatures, spanning from -70℉ to 200℉, making it suitable for diverse environments.

Another thoughtful feature is the swivel handle on longer versions, which dramatically reduces twisting and tangling for a smoother water access process. Atlantic focuses on durability that supports continuous water pressure without adding strain to connectors, an important detail for RV users.

Best for: RV owners and travelers who need hygienic water access without the chemical aftertaste and adults managing garden watering without heavy hose handling.

Pros:

• Food-grade silicone inner tube and washers
• 304 stainless steel corrosion-resistant fittings
• PVC-free for safer water quality
• Flexible and lighter than typical hoses
• Wide operating temperature range

Cons:

• May arrive kinked if not packaged carefully
• Thinner wall could be less durable under rough use

8. Water Right 600 Series Polyurethane Hose | 25 Ft Durable, Safe for Drinking, Maximum Flow

Maneuvering around a large garden or farmstead demands a hose that can handle volume and withstand tough treatment. The Water Right 600 Series features a robust 5/8-inch inner diameter designed to deliver maximum flow rates, pushing up to 9 gallons per minute at 40 PSI for demanding tasks.

Constructed from premium drinking-water-safe polyurethane, this hose excludes harmful substances such as lead, BPA, and phthalates. Its use of 100% virgin materials ensures your watering routine remains free from chemical contamination, protecting both soil and plants.

Durability gets a boost from solid, lead-free, chrome-plated brass fittings, creating watertight seals resistant to crushing, corrosion, and leaks. Reinforced strain reliefs at both ends guard against over-bending, preserving the hose’s structure through continuous use.

Despite its strength, the hose maintains flexibility in all weather conditions, resisting kinks, cracks, and stiffness from heat or cold. Water Right’s thoughtful design means it stays manageable year-round without compromising its performance.

With manufacturing rooted in the USA, this hose offers serious reliability for those who take their watering needs seriously. Its vibrant eggplant hue also blends subtly into garden spaces without the garish neon colors found elsewhere.

Best for: Gardeners and commercial users requiring a dependable, chemical-free hose that balances high flow with long-lasting flexibility.

Pros:

• High flow capacity supports large-scale watering tasks
• Made from food-grade polyurethane, free of lead, BPA, and phthalates
• Durable brass fittings ensure tight, leak-free connections
• Maintains flexibility without kinking or cracking under stress
• Built-in strain relief to extend hose life

Cons:

• May feel less flexible when coiling in confined spaces for some users

9. Clean Camper 35′ Flexible Stainless Steel Fitting Hose for Safe RV Water Use

Managing fresh water access on your RV can be frustrating when hoses kink or leach unwanted chemicals. This 35-foot hose features 304 grade stainless steel fittings that resist rust and provide clean water without any off flavors or contaminants. Its durable build allows it to handle demanding city water pressures without worry.

Engineered to coil neatly, it occupies minimal storage space and eliminates the struggle against tangles or kinks, making packing up after travel more efficient. With its flexible design, handling and setup become straightforward, even in tight spaces.

Manufactured free from lead, BPA, and phthalates, it safeguards your water from potentially harmful substances that some hoses can release over time. The aluminum material paired with premium fittings from Clean Camper reinforces longevity on the road.

The hose’s strong yet flexible construction suits a variety of freshwater needs, whether you’re camping off-grid or connected to municipal sources. Its compatibility with water filters further enhances its protective qualities.

Best for: RV owners requiring a compact, dependable freshwater hose that resists kinking and chemical leaching during travel and camping trips.

Pros:

• 304 Grade stainless steel fittings for corrosion resistance
• Kink-free design for effortless storage and use
• Lead, BPA, and phthalate-free for safe water delivery
• Handles high water pressure up to 800 PSI
• Lightweight and flexible with a 35-foot length

Cons:

• Durability concerns may arise in rare cases, with punctures occurring under certain conditions

10. Back To The Roots 50ft Ultra Flexible PVC Garden Hose Ideal for Organic Use & Pets

Handling outdoor watering tasks often means juggling heavy, chemical-laden hoses that feel more like a burden than a tool. This garden hose simplifies that routine with a design built from BPA-free, lead-free, and phthalate-free PVC, addressing health and environmental concerns that many overlook when choosing watering equipment.

The lightweight and ultra-flexible nature of Back To The Roots’ hose makes it surprisingly easy to work with, whether you’re tending to delicate garden plants or filling your pet’s water bowl. Its kink-resistant construction promotes steady water flow, reducing interruptions during use.

Built with durability in mind, the hose features UV-resistant outer layers and radial vinyl reinforcements that withstand regular exposure to elements without cracking or leaks. This thoughtful blend of materials offers reliability without compromising safety.

Beyond gardening, this hose adapts well for rinsing pets, topping off pools, or hooking up to RVs and boats, making it a versatile choice for various outdoor water needs. The Back To The Roots brand delivers an option that balances performance and health-conscious design, avoiding the common pitfalls of toxicity found in standard hoses.

Best for: Gardeners and pet owners prioritizing clean water delivery and ease of use for diverse outdoor watering tasks.

Pros:

• Constructed with non-toxic, durable PVC free from harmful chemicals
• Lightweight and flexible for easy handling
• Kink-resistant design maintains unbroken water flow
• UV-resistant and reinforced for enhanced longevity
• Suitable for multiple uses including organic gardening and pet care

Cons:

• May feel heavier than ultra-light models during extensive maneuvering

Quick Guide: Best Non Toxic Water Hose Feature Analysis

Product Name	Material Type	Length	Max Pressure (PSI)	Connectors
Camco TastePURE RV Hose	Reinforced PVC Blend	25 Feet	300	Standard 5/8″ Diameter
Fevone Flexible Garden Hose	Hybrid Polymer	12 Feet	600	3/4″ Aluminum Fittings
RVMATE RV Drinking Hose	Hybrid Polymer with Aluminum/PTFE	25 Feet	150	3/4″ Male/Female Aluminum
WELLUCK Heavy Duty Hose	Food-Grade Rubber & Brass	25 Feet	600	3/4″ Male/Female Brass
OULEME Premium RV Hose	Hybrid Polymer with Aluminum Fittings	25 Feet	150	3/4″ Aluminum Male/Female
Bigfoot Synthetic Rubber Hose	Synthetic Rubber	25 Feet	450	All Aluminum Fittings
Atlantic Silicone Drinking Hose	Silicone & Stainless Steel	15 Feet	150	304 Stainless Steel Fittings
Water Right Polyurethane Hose	Polyurethane	25 Feet	150	Lead-free Brass with Strain Relief

What Matters Most When Choosing a Non Toxic Water Hose?

Picking the right hose goes beyond length and color. Safety and durability depend on several key factors that impact your water quality and hose longevity.

Material Composition

Choosing the right hose material affects whether harmful chemicals could leach into your water. Many non toxic hoses skip PVC that contains lead and BPA. Instead, they use food-grade rubber, silicone, polyurethane, or hybrid polymers to keep water clean and safe.

Silicone hoses stand out because they resist chemical breakdown and don’t transfer odors. Rubber blends offer good elasticity and strength but must be certified lead-free. Polyurethane is prized for its abrasion resistance and purity.

Brands like Atlantic use 304 stainless steel fittings on their silicone hoses to keep water pure. Water Right’s hoses boast 100% virgin polyurethane materials. Using safe materials means avoiding phthalates, lead, and unpleasant tastes that could affect both your health and your plants. Material safety matters for clean drinking water and healthy gardening.

Kink Resistance and Flexibility

Hoses that kink interrupt water flow and make watering a hassle. Multi-layer designs or netting reinforcement often provide better flexibility.

Materials like hybrid polymers offer a balance of firmness and bendability, cutting down on pinches and kinks. For example, the Fevone hose handles up to 600 PSI pressure while remaining flexible, thanks to its multi-layer hybrid polymer construction. WELLUCK’s 3-ply rubber hose also excels at resisting kinks even under high pressure.

Poor kink resistance causes frequent watering breaks and can damage hose walls. Repeated kinking might lead to leaks and shorten the hose’s lifespan, which means more repairs or replacements over time.

Pressure Rating and Durability

The pressure rating indicates how much water force a hose can handle before it risks damage. Hoses rated at 600 PSI are ideal for demanding outdoor tasks, offering strong resistance against bursting.

Materials like polyurethane and reinforced rubber often provide higher pressure ratings, making them durable choices. Camco’s reinforced PVC hose supports 300 PSI, suitable for most RV and garden uses, while Fevone and WELLUCK offer hoses rated at 600 PSI for tougher conditions. Water Right’s polyurethane hose combines toughness with abrasion resistance, extending its lifespan.

Choosing a hose with the right pressure rating reduces the chance of leaks or bursts, protecting your water flow and investment over time.

Connector Quality and Compatibility

Connectors play a key role in preventing leaks and making hose attachment easier, whether to faucets or RV inlets. Lead-free brass, aluminum, and stainless steel connectors are typical in non toxic hoses for their durability and safety.

Brands like Atlantic use food-grade stainless steel fittings that stand up to rust and chemical damage. WELLUCK and Water Right feature lead-free brass connectors with strain reliefs to boost longevity. Some hoses include both male and female fittings to adapt to different setups.

Lower quality plastic connectors tend to crack or leak under pressure. This not only wastes water but can also reduce water purity by letting contaminants enter through poor seals.

Length and Diameter

Picking the right length and diameter for your hose affects how well water flows and how easy it is to use. Common sizes like 5/8 inch offer a good mix of flow and flexibility. If the hose is too long, water pressure drops; if it’s too short, you can’t reach far enough.

Many hoses, such as Camco and RVMATE, come in 25-foot lengths with 5/8 inch diameter. Fevone stands out with its 12-foot length and excellent flexibility. Choosing a hose length that fits your space helps manage weight and keeps water pressure steady.

Ignoring proper diameter or length can lead to slow watering speeds or needing extra connectors. A hose that’s too long can weigh you down, while a short one limits access to distant plants. Balancing these factors makes watering easier and more efficient.

Weight and Storage Ease

Heavy hoses can quickly become a burden, making them tough to carry and coil after use. Choosing a lightweight hose enhances comfort and convenience, especially when setting up or putting it away. Synthetic rubber and silicone hoses are often lighter yet remain strong and durable.

For example, BIGFOOT’s synthetic rubber hose is around 30% lighter than many traditional options. Atlantic’s silicone hose also offers easy coiling and smooth handling. Some models come with features like storage bags or non-slip coatings to improve grip and tidiness.

Bulky, rigid hoses tend to discourage frequent use and suffer damage faster due to rough handling. Opting for a lighter, flexible hose can reduce fatigue and prolong the lifespan of your watering equipment.

Frequently Asked Questions

Are non toxic hoses safe for drinking water?

Non toxic hoses exclude harmful chemicals like lead, BPA, and phthalates, making them safe for transporting drinking water. This safety stems from materials such as food-grade silicone, rubber, polyurethane, or certified PVC blends.

For instance, many hoses meet California Proposition 65 standards or NSF certifications, ensuring chemical-free water flow. Camco’s hose explicitly excludes lead and BPA to protect water purity.

Always check product labels and certifications. Avoid hoses with unknown materials or plastic connectors that may leach toxins during use.

What hoses resist kinking best?

Hoses constructed with multi-layer hybrid polymers or reinforced rubber resist kinks most effectively. The Fevone hose’s no-kink design uses a flexible inner lining and netted reinforcement to maintain smooth flow.

WELLUCK’s 3-ply rubber hose also resists pinching under pressure up to 600 PSI. Such construction prevents water interruptions from common kink spots.

For best results, coil hoses loosely and store indoors to avoid stiffening. Avoid dragging hoses across rough surfaces that weaken layers.

Are aluminum or brass fittings better for non toxic hoses?

Both aluminum and brass fittings are safe and non toxic when lead-free and properly manufactured. Brass fittings tend to offer superior durability and corrosion resistance compared to aluminum.

Brass connectors on hoses like WELLUCK and Water Right provide strong seals with strain reliefs to prevent leaks. Aluminum fittings on Fevone and RVMATE hoses balance light weight with durability.

Inspect connectors regularly for cracks or corrosion. Tighten fittings by hand only to avoid damaging threads.

Can silicone hoses be used outdoors year-round?

Silicone hoses resist UV rays, temperature extremes, and chemical degradation better than many plastics, making them suitable for year-round outdoor use. Atlantic’s silicone hose maintains flexibility and purity in cold or hot climates.

Its stainless steel fittings also resist rust, increasing lifespan. However, prolonged exposure to sharp objects or heavy loads may still cause damage over time.

Store silicone hoses in shade when not in use and avoid kinking to maximize durability.

What maintenance helps extend a hose’s life?

Proper care such as draining the hose after use, storing it coiled in shade, and avoiding sharp bends preserves hose integrity. Cleaning inner walls occasionally removes build-up that can degrade material.

Inspect fittings regularly for wear or leaks. Replace washers or connectors promptly to avoid water loss. Hoses with storage bags like OULEME simplify protection.

Using gentle detergents and avoiding chemical solvents prevents material breakdown. Regular maintenance keeps water safe and hose functioning longer.

Choosing the Right Non Toxic Water Hose for Cleaner Water and Easier Use

Hoses that deliver pure water without chemicals or kinks change how you handle watering and drinking on the go. Picking the right material and build stops water contamination and flow frustration from ruining your tasks.

Those prioritizing chemical safety may prefer silicone or polyurethane hoses like Atlantic or Water Right. Heavy-duty garden or RV users benefit from flexible, kink-resistant rubber or hybrid polymer options such as WELLUCK or Fevone. Shorter tasks can lean toward lightweight, compact hoses for convenience.

Consider hose length, pressure rating, and connector type before buying. Proper storage and gentle handling extend hose life and protect water quality. Avoid leaving hoses exposed to extreme heat or sharp edges to prevent damage.

Last update on 2026-04-09 / Affiliate links / Images from Amazon Product Advertising API