10 Best gravity water filter in the US

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Last Updated - May 31, 2023

Best Choice
01

Berkey
Big Berkey Gravity-Fed Water Filter with 2 Black Berkey Elements Provides Clean, Refreshing Water at Home, Camping, RVing, Off-Grid, Emergencies

9.7 Giftable

8.9 Simple to use

8.9 Flavor

Why we love it

Portable

Holds up to 4 Black Berkey Purification Elements

Economical
Main highlights

POTABLE WATER IN THE GREAT OUTDOORS- Black Berkey Elements remove or dramatically reduce over 200+ typical contaminants that could be present in lakes, rivers, ponds, streams and other freshwater sources—no electricity, tools, or plumbing are required. The Big Berkey Water Filter System provides clean, refreshing potable water while camping, fishing, RVing, off-grid living and in emergencies, disaster preparedness and recovery scenarios.
INDEPENDENT TESTING- Black Berkey Elements have been tested by accredited third-party labs that have reported that the elements remove or reduce over 200+ typical contaminants found in tap water and other freshwater sources.
ENJOY GREAT-TASTING TAP WATER EVERY DAY AT HOME- The Big Berkey System can be used on a countertop in your kitchen or office to transform bad-tasting tap water into delicious drinking water that's also ideal for making your favorite beverages or cooking. Equipped with Black Berkey Elements, the Big Berkey System addresses over 200+ typical contaminants that could be present in tap water.
ECONOMICAL, LONG-LASTING- Black Berkey Elements provide filtered water for just pennies per gallon. Each pair of Black Berkey Elements lasts for up to 6,000 gallons before replacement is recommended. Elements may require replacement sooner based upon the quality of influent water. Each additional pair of Black Berkey Elements (sold separately) adds an additional 6,000 gallons of contaminant reduction.
2.25 GALLON CAPACITY- The portable Big Berkey System effortlessly filters water for about 1-4 people each day. Add additional Black Berkey Elements, sold in sets of 2, to increase the flow rate (the Big Berkey System can hold a maximum of 4 Black Berkey Elements). The system is just 19.25” tall and 8.5” in diameter.
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9.7

Exceptional

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02

Gunneran
Gravity-fed Water Filter System 2.25 Gallon, Stainless Steel Water Purifier System with 2 Water Filter, Sight Glass Spigot and Stand, Refreshing Water at Home, Camping, Emergencies

15% Off
Main highlights

【Comprehensive Attachment】 In addition to the water filter system, you will also get a stainless steel sight glass spigot faucet and 6 inch stand. You don't have to check how much water is left. The stand keeps the system off the floor or table to avoid contamination.You will get the best experience.
【2.25 Gallon Capacity】 This gravity water filter system can hold 2.25 gallons of water, provide safe drinking water for 1-4 family members during the trip.our purification filters made of food grade 304 stainless steel.Smooth, shiny zero leaking and sturdy wouldn't rust and break.
【Convenient to Carry】 This gravity-fed water filtration system operates without electricity and depends on gravity, Suitable for ideal filter system for home, travelling, outdoor activities and emergencies, the filter can provide you with healthy, clean and quality drinking water at home and outdoors.
【 0.01μm Filtration Water Filters】 This gravity water filter system come with 2 ultra filtration membrane carbon water filters. Reduce 99.99 polllutiions like heavy metal, organic, chlorine and heavy metal.
【Energy Saving】 Relying on the principle of gravity filtration, no electricity is needed. The gravity water filter system is divided into upper and lower layers. The upper layer can be filled with unfiltered tap water, the lower layer will get clean water after filtered. Because it does not require electricity, it can be used indoors and outdoors. NOTICE: When the bottom bucket is full of filtered water, please do not add tap water to the top bucket or it will leak out.
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9.6

Exceptional

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03

Waterdrop
Waterdrop Gravity Water Filter Straw, Camping Water Filtration System, Water Purifier Survival for Travel, Backpacking and Emergency Preparedness, 1.5 gal Bag, 0.1 Micron, 5 Stage Filtration

15% Off

9.7 Light weight

9.5 Flavor

9.5 Simple to use

Why we love it

The Water Filter Straw can effectively reduce harmful substances like chlorine, particulates, sediment, stones, sand, dirt, bad taste odor in water to ensure the water safety and deliver better drinking experience.

With innovative back flush design, the inside of the Water Filter Straw can be kept clean at all times and it is recyclable, safe and pollution free.

The Waterdrop Gravity Water Filter Straw is applicable to hiking, camping, domestic and international travel, emergency preparedness tornadoes, rainstorms, earthquakes, floods, etc. to meet the emergency water demand in a variety of situations.
Main highlights

【Warm Prompt】Note: If the gravity bag is used to filter water, turn on the drainage valve first to empty air from the hose before connecting with the straw to avoid no water flow in a vacuum state.
【Versatile Uses】The Water Filter Straw can be connected with water bags or water bottles to filter water for drinking. Both ends of it can be disassembled and connected with the water bags and the water bottles to offer you clean drinking water anytime anywhere.
【Professional Combination】Waterdrop Gravity Water Filter Straw with 1.5 gal Gravity-Fed Water Bag is an exclusive water purification combination created for outdoor activities and first aid survival. The large-capacity water bag can hold up to 1.5 Gallons of water at a time, which is about 11 bottles of 500 ml bottled purified water, and can meet the all-day demand for outdoor water drinking.
【Multi-scene Application】As a necessity for outdoor water purification, the Waterdrop Gravity Water Filter Straw is applicable to hiking, camping, domestic and international travel, emergency preparedness (tornadoes, rainstorms, earthquakes, floods, etc.) to meet the emergency water demand in a variety of situations.
【Longer Lifespan with Recyclable Straw】With innovative backwash purifier function, the inside of the Water Filter Straw can be kept clean at all times and it is recyclable, safe and pollution-free; the Waterdrop Filter straw can provide safe drinking water up to 1,400 gallons (5,300 liters), and ensures the maximum water flow rate of up to 700 ml/min to provide more relaxed outdoor water drinking experience.
【5-Stage Efficient Filtration】With adoption of premium-quality coconut shell activated carbon, 0.1 um ultrafiltration membrane and other raw materials, the Water Filter Straw can effectively reduce harmful substances like chlorine, particulates, sediment, stones, sand, dirt, bad taste &odor in water to ensure the water safety and deliver better drinking experience.
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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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04

Membrane Solutions
Membrane Solutions Gravity Water Filter Pro 6L, 0.1-Micron Versatile Water Purifier Camping with Adjustable Tree Strap Storage Bag, Survival Gear and Equipment for Group Camping Emergency Preparedness

34% Off

9.3 worth the money

9.3 Light weight

Why we love it

Large Capacity: Holds 6L of water, perfect for groups.

4 Stage Filtration: Removes 99.99999 of bacteria, micro plastics, and more.

Backwash Solution: Detachable mouthpiece for easy backwashing.
Main highlights

Versatile Use Ways: More ways you can find besides the gravity water filter system, like using as a water filter straw direct, or adding an extension tube on water straw for more distance using, even connecting with water bottles. Backpacking water filter offers you clean drinking water anywhere, anytime
Superior Backwash Solution: Detachable mouthpiece connects with the common bottle for backwashing, no need for an extra syringe. No cumbersome fittings and lightweight. Easy carrying gravity water filter when putting all the parts in the storage bag
Extra-Large Capacity: After the survey, 6L capacity is the most appropriate solution for group water needs. Our water filter camping can provide you with enough sources of pure drinking water at any time and anywhere
Easy to Hang on Trees: Adjustable tree strap fits the most trunks, minimum length: 22.5 inches and maximum length: 41.5 inches. No worry about losing, thanks for the one-piece design
4-Stage Filtration: Our camping water filter is made up of 0.1-micron hollow fiber ultrafiltration membrane, coconut shell GAC filter, and double PP fiber filter. Reducing 99.99999% of escherichia coli, test by SGS-CSTC Standards Technical Services Co., Ltd.Ningbo Branch (Test Report NBF21-004693-01, Date: 02 Jun 2021), filters up to 5,000 liters outdoors water
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9.4

Excellent

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Best Value
05

Purewell
Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System, NSF/ANSI 372 Certification, 304 Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, 2.25G, PW-OB

36% Off

9.7 Simple to use

9.1 Easy to build

8.4 worth the money

Why we love it

3 Stage Filtration 99.99 accuracy

Small Filter Pore Optimal Flow Rate

Non slip Base Safe Stable
Main highlights

Smaller Filter Pore Size - The filter pore size of Purewell gravity water filter is 0.01 microns so that it can filter out 99.99% tiny materials from the water while other brands' filter pore size is only 0.2 microns. The smaller filter pore size, the higher filtering accuracy. What's more, Purewell water filter system can maintain the optimal flow rate (4 gallon/hour) while the filter pore size is smaller.
Long Lifespan and Replaceable - The two carbon filters (black) can provide up to 6000 gallons drinking water, the service life of a single filter element is 3000 gallons (According to different water quality, the lifespan of the filter elements would be a little different). But for optimum performance, the filter elements should be replaced every 6 months. NOTICE: The filter element DOES NOT lower TDS value.
Energy Saving - Relying on the principle of gravity filtration, no electricity is needed. The gravity water filter system is divided into upper and lower chambers. The upper chamber can be filled with unfiltered tap water, the lower chamber will get clean water after filtered. Because it does not require electricity, it can be used indoors and outdoors. NOTICE: When the bottom chamber is full of filtered water, please do not add tap water to the top chamber or it will leak out.
Complete Accessory Set: The system not only provides safe water but also adds a touch of style to your home with its 304 food-grade stainless-steel housing. This ensures a sturdy and long-lasting structure. The 304 stainless steel spigot that comes with the system fits the chamber perfectly, preventing any leaks. Additionally, a non-slip stand is included to enhance the user experience. These accessories are included in the package, you don't have to spend extra money on additional accessories.
3-Stage Filtration - The Purewell gravity water filter system adopts a composite filter technology, can reduce most contaminants. The black carbon filter employs a 0.01μm hollow fiber UF membrane, a silver ion membrane and an activated carbon block to reduce chlorine and intercept rust, sediment, organic matter and heavy metals, etc. This water filter system has also passed authoritative NSF/ANSI 372 certification.
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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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06

Platypus
Platypus GravityWorks Group Camping Water Filter System, 4-Liter

25% Off

9.9 Light weight

9.9 For traveling

9.5 Flavor

Why we love it

High

capacity water filter system ideal for group camping and emergency preparedness

Meets EPA/NSF guidelines for removal of 99.9999 of bacteria and 99.9 of protozoa
Main highlights

Replaceable cartridge filters up to 1,500 gallons; produces flow rate of 1.75 liters/minute; kit weights 11.5 ounces; made in the USA
No pumping required; reservoir fills easily and hangs from a tree to deliver four liters of filtered water for cooking and washing in 2.5 minutes
Meets all EPA/NSF guidelines for removal of 99.9999% of bacteria and 99.9% of protozoa, including giardia, cryptosporidium, E. coli, salmonella, cholera
Includes 4-liter dirty water reservoir, 4-liter clean water reservoir, hollow-fiber microfilter, hoses, shutoff clamp, and storage sack
High-capacity, gravity-fed, hollow-fiber water filter system is ideal for group and family camping, outdoor adventures, and emergency preparedness
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9.0

Excellent

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07

Platypus
Platypus GravityWorks Group Camping Water Filter System, 6-Liter

55% Off
Main highlights

Replaceable cartridge filters up to 1,500 gallons; produces flow rate of 1.75 liters/minute; kit weights 11.5 ounces; made in the USA
No pumping required; reservoir fills easily and hangs from a tree to deliver six liters of filtered water for cooking and washing in under 4 minutes
Meets all EPA/NSF guidelines for removal of 99.9999% of bacteria and 99.9% of protozoa, including giardia, cryptosporidium, E. coli, salmonella, cholera
Includes 6-liter dirty water reservoir, 6-liter clean water reservoir, hollow-fiber microfilter, hoses, shutoff clamp, and storage sack
High-capacity, gravity-fed, hollow-fiber water filter system ideal for group and family camping, outdoor adventures, and emergency preparedness
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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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08

Waterdrop
Waterdrop Gravity-fed Water Filter System, NSF/ANSI 372 Certification, 2.25G Stainless-Steel Filter System with 2 Filters and Metal Spigot, Reduces up to 99% of Chlorine-King Tank Series, WD-TK

28% Off

9.1 Easy installation

8.2 worth the money

8.0 Flavor

Why we love it

Equipped with a 2.25

gallon large capacity

Comes with a comprehensive set of accessories
Main highlights

Ultimate convenience: King Tank water filter system can be easily set up and install all by yourself without prior plumbing experience. The water filter system requires no electricity to work. All you have to do is install and enjoy clean and pure drinking water at all times, even when the weather is terrible like flood or snowstorm. Please flush filter for 1 min before use by connecting to faucet. Note: if faucet not fully compatible, splashing may occur but won't affect product.
Please note: The system has only two installation hole for carbon filters, limit 2 carbon filters (or with 2 fluoride) only, which DOES NOT lower TDS value. If you prefer low TDS value, feel free to check Waterdrop RO water purifiers. This system is not sourced by or sponsored by Berkey. Waterdrop is an independent brand.
Longer filter lifespan: The two carbon filters (black) can effectively filter up to 6,000 gallons of water. This can save you up to 45,000 plastic bottles (500ml) over the space of three years. Go for the King Tank water filter if you expect an economical and sustainable solution to water filtration.
Efficient, advanced filtration: The filter media adopted in the King Tank is natural coconut activated carbon, which effectively reduces chlorine and improves taste. You can get up to 99% of chlorine reduction. The filter can effectively reduce heavy metals, sediment, and other impurities while improving the odor and taste (Tested by third party laboratory).
Easily accessible replacement filter cartridges: You can easily purchase the replacement filter cartridges of this filter system by searching for "Waterdrop Gravity Water Filter".
Comprehensive accessories set: This filter system ensures safety while staying stylish by adopting the 304 food-grade stainless-steel material for the housing, which ensures a durable and rugged structure. The metallic water level spigot included in the system fits the chamber perfectly without any leaks. These accessories come out of the box, and you don’t have to spend extra money buying any additional accessories.
Certification, large capacity: The Waterdrop King Tank gravity-fed water filter system comes with a 2.25-gallon large capacity, thereby meeting water demands of a family of 4 people for pure water indoors and outdoors. This water filter system also has passed authoritative NSF/ANSI 372 certification.
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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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09

LifeStraw
LifeStraw Flex Advanced Water Filter with Gravity Bag - Removes Lead, Bacteria, Parasites and Chemicals Blue, 1 gal

9.1 Light weight

8.9 For traveling

8.7 lasts a long time

Why we love it

Protects against bacteria, parasites, and microplastics

Can be used 4 ways

Long lasting filters
Main highlights

Versatile water filter system, can be used 4 ways: as a personal straw filter, with the included gravity bag, as an in-line filter with most hydration packs or attached to most disposable water bottles
This product gives back: one purchase, one child, one year of safe water
Protects against 99.999999% of bacteria (including E.coli, Salmonella); 99.999% of parasites (including Giardia and Cryptosporidium); 99.999% of microplastics, heavy metals, like lead, chlorine, organic chemical matter, silt, sand, and cloudiness; improves taste
Long-lasting membrane microfilter lasts up to 500 gallons (2,000 L); replaceable activated carbon + ion exchange filter lasts up to 26 gallons (100 L)
LifeStraw is proud to a B Corp and Climate Neutral Certified brand, committed to meeting the highest standards of verified social and environmental performance, transparency and accountability
Compact and ultralight, the gravity water filtration system weighs 6.9 oz (196 g) and can filter a gallon of water in less than 10 minutes
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8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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10

SimPure
SimPure Gravity Water Filter, Portable Gravity-Fed Water Purifier with 3L Gravity Bag, Tree Strap, Survival Gear and Equipment for Camping Hiking Emergency Preparedness

9.1 Light weight

8.2 For traveling

8.0 Flavor

Why we love it

very versatile

long lifespan

speedy treatment time
Main highlights

Very Versatile: Besides the gravity water filter system, the included filter can be used in many different ways. Use as a personal water filter, or add a 29.5-inch extension tube for more distance drinking. Even connect onto a water bottle.
Very Lightweight: Gravity water filter weighs just 2.8 ounces and can be completely rolled up to save space in your backpack. With 3L TPU gravity-fed bag can provide you enough reliable clean water. Ideal for backpacking, camping, or just keeping on hand for emergencies.
Long Lifespan and Speedy Treatment Time: Our water purifier camping has a lifespan of 5,000 liters (1320gallons), for a family of four uses up to 3.5 years. With a flow rate of 27 liters per hour, it won’t slow you down when you’re trying to make miles.
Easy to Use: Just hang on a tree with the tree strap, hands-free filtration, enjoy effort-free (no pumping, no squeezing, barely any waiting) filtered water within minutes.
0.1-micron Ultrafiltration: Our water filter camping made up of 0.1-micron hollow fiber ultrafiltration membrane, 5-micron coconut shell GAC filter, and 0.2-micron PP fiber filter.
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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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