10 Best gravity water purifiers of 2025

Save up to 25% off

Best Choice

1

Berkey
Big Berkey Gravity-Fed Stainless Steel Countertop Water Filter System 2.25 Gallon with 2 Authentic Black Berkey Elements BB9-2 Filters
Main highlights

Transforms Tap Water
The Big Berkey System turns tap water into delicious, safe drinking water, ideal for beverages and cooking.

Ideal for Poor Water Quality
Perfect for homes with poor water quality or those using well water.

Highly Praised Filter Longevity
Customers love the long-lasting filters, which provide clean water for years with minimal maintenance.
Key specs
- Maintenance Frequency:Up to 6,000 gallons
- Dimensions:8.5L x 8.5W x 19.25H
- Contaminants Removed:Over 250+ contaminants
- Filtration Stages:N/A
- Flow Rate:0.03 Gallons Per Minute
9.7

Exceptional

Our Rating

9.7
Giftable

8.9
Flavor

8.9
Sheerness
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Purewell
Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System, NSF/ANSI 42&372 Certification, 304 Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, 2.25G, PW-OB
Main highlights

Advanced Filtration System
Utilizes a 3-stage filtration with 0.01 micron pore size, reducing 99.99% of contaminants including chlorine and heavy metals.

Versatile Usage
Ideal for both indoor and outdoor use; no electricity needed due to gravity filtration system.

Exceptional Water Taste
Customers praise the improved taste and quality of water, free from chlorine and other impurities.
Key specs
- Maintenance Frequency:Every 6 months
- Dimensions:8.9 x 8.9 x 20 inches
- Contaminants Removed:Chlorine, rust, sediment
- Filtration Stages:3-Stage
- Flow Rate:4 gallon/hour
9.6

Exceptional

Our Rating

9.7
Simple to use

9.1
Easy to build

8.4
worth the money
3

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
Main highlights

5-Stage Filtration Efficiency
Utilizes coconut shell activated carbon and ultrafiltration membrane for safe, great-tasting water.

Ideal for Outdoor Adventures
Designed for camping, hiking, and emergency preparedness with a 1.5-gallon capacity.

Highly Praised Gravity System
Customers love the simple, effective gravity-fed filtration and large capacity bag.
Key specs
- Capacity:1.5 Gallons
- Dimensions:11.1 x 7.01 x 3.62 inches
- Filtration Method:5-Stage Efficient Filtration
- Lifespan:1,400 gallons
- Weight:4.64 ounces
9.5

Excellent

Our Rating

9.7
Light weight

9.5
Flavor

9.5
Simple to use
4

Purewell
Purewell 2.25G Gravity Water Filter System with Water Level Window, 3-Stage 0.01μm Ultra-Filtration Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, PW-KS

25% Off
Main highlights

Advanced Filtration Technology
Features a 3-stage filtration system with 0.01 micron precision, effectively removing contaminants and improving water taste.

Versatile Usage Scenarios
Perfect for both indoor and outdoor use, including emergencies and camping, due to its gravity-based operation.

Customer Praised Water Quality
Users appreciate the significant improvement in water taste and quality, thanks to the efficient filtration system.
Key specs
- Maintenance Frequency:Every 6 months
- Dimensions:8.8 x 8.8 x 20 inches
- Contaminants Removed:Chlorine, rust, sediment
- Filtration Stages:3-Stage
- Flow Rate:4 gallons per hour
9.2

Excellent

Our Rating
5

IceJoy
8-Stage Gravity Water Filtration System 3.0 Gallon-304 Stainless Steel Countertop System with 4 Filters and StandReduce 99.9% Chlorine, NSF/ANS 42 Certifcation
Main highlights

8-Stage Filtration System
IceJoy water purifier reduces 99.9% of chlorine, removes rust, sediment, organic compounds, and heavy metals with an 8-stage filtration system.

Ideal for Family and Outdoor Use
With a 3.0-gallon capacity and stainless steel build, it's perfect for families and outdoor adventures.

Customer Praised Water Taste
Customers consistently praise the clean, great-tasting water and superior filtration compared to other brands.
Key specs
- Maintenance Frequency:1 Year lifespan
- Dimensions:9 x 28 x 9 inches
- Contaminants Removed:Chlorine, rust, heavy metals
- Filtration Stages:8-Stage
- Flow Rate:N/A
8.9

Very Good

Our Rating
See Today’s Deals & Prices
6

Membrane Solutions
Membrane Solutions Gravity Water Filter Pro 6L, NSF/ANSI 42&372&401 Certified, 0.1 μm Versatile Water Purifier Camping with Adjustable Tree Strap Storage Bag, Survival Gear for Emergency Preparedness

20% Off
Main highlights

Extra Large Capacity and 4-Stage Filtration
The Membrane Solutions Gravity Water Filter Pro 6L offers a 6-liter capacity with a 4-stage filtration system, ensuring pure drinking water anywhere.

Ideal for Camping and Emergency Preparedness
Perfect for outdoor adventures and emergency situations, providing reliable access to clean drinking water without the need for electricity or complex installations.

Exceptional Filtration Performance
Customers consistently praise the filter's ability to turn dirty water into clear, great-tasting water, making it a reliable choice for various scenarios.
Key specs
- Capacity:6L
- Dimensions:3.9L x 2.3W x 10.6H
- Filtration Method:4-Stage Filtration
- Lifespan:filters up to 5,000 liters
- Weight:11.6 ounces
8.8

Very Good

Our Rating

9.7
Light weight

8.9
Simple to use

8.7
worth the money
7

Waterdrop
Waterdrop Gravity Water Filter Straw, Camping Water Filtration System, Water Purifier Survival for Travel, Backpacking and Emergency Preparedness, 1.5 gal Bag, 5 Stage Filtration, Pack of 2

12% Off
Main highlights

5-Stage Filtration Efficiency
Utilizes coconut shell activated carbon and ultrafiltration to reduce chlorine, particulates, and odors, ensuring safe and clean drinking water.

Ideal for Outdoor Adventures
Perfect for hiking, camping, and emergency preparedness with a 1.5-gallon gravity-fed water bag for easy access.

Highly Praised Portability
Customers love its lightweight design and ease of packing for trips, making it a favorite for campers.
8.7

Very Good

Our Rating

9.9
For traveling

9.1
worth the money

9.1
Flavor
8

Practical Survival
Gravity Water Filtration System – 2 High Capacity Lightweight Hanging Bags for Backpacking, Camping, Survival, Hiking, Hunting - Dirty, Clean Water Bags, Water Filter and Cleaning Plunger Included
Main highlights

High Capacity Filtration
Removes 99.99% of bacteria and parasites, including E. coli and giardia.

Ideal for Adventurers
Perfect for hiking, camping, and survival with ultralight design.

Easy and Quick Setup
Start filtering water in under 60 seconds with gravity system.
Key specs
- Capacity:6 liters
- Dimensions:12 x 2 x 18 inches
- Filtration Method:Gravity filtration
- Lifespan:1800 gallons
- Weight:1.48 Pounds
8.5

Good

Our Rating
9

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

Versatile Usage Options
Use as gravity filter, personal filter, or attach to bottles.

Ideal for Outdoor Adventures
Perfect for camping, hiking, backpacking, and emergency preparedness.

Praised Customer Service
Company provides excellent customer service and support.
8.2

Good

Our Rating

9.1
Light weight

8.2
For traveling

8.0
Flavor
10

Sawyer
Sawyer Products SP128 Mini Water Filtration System, Single, Blue
Main highlights

Compact and Lightweight Design
Weighs only 2 ounces, fits in the palm of your hand.

Ideal for Outdoor Adventures
Perfect for camping, hiking, travel, and emergency preparedness.

Highly Praised Filtration Efficiency
Removes 99.99999% of bacteria and 99.9999% of protozoa.
8.1

Good

Our Rating

9.9
Simple to use

9.9
Light weight

9.7
For traveling

10 Best gravity water purifiers of 2025

1

Big Berkey Gravity-Fed Stainless Steel Countertop Water Filter System 2.25 Gallon with 2 Authentic Black Berkey Elements BB9-2 Filters

9.7

8.9

8.9

How do we rank?

How do we rank?

Analyzing top stores

2

Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System, NSF/ANSI 42&372 Certification, 304 Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, 2.25G, PW-OB

9.7

9.1

8.4

3

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

9.7

9.5

9.5

4

Purewell 2.25G Gravity Water Filter System with Water Level Window, 3-Stage 0.01μm Ultra-Filtration Stainless Steel Countertop System with 2 Filters and Stand, Reduce 99% Chlorine, PW-KS

5

8-Stage Gravity Water Filtration System 3.0 Gallon-304 Stainless Steel Countertop System with 4 Filters and StandReduce 99.9% Chlorine, NSF/ANS 42 Certifcation

6

Membrane Solutions Gravity Water Filter Pro 6L, NSF/ANSI 42&372&401 Certified, 0.1 μm Versatile Water Purifier Camping with Adjustable Tree Strap Storage Bag, Survival Gear for Emergency Preparedness

9.7

8.9

8.7

7

Waterdrop Gravity Water Filter Straw, Camping Water Filtration System, Water Purifier Survival for Travel, Backpacking and Emergency Preparedness, 1.5 gal Bag, 5 Stage Filtration, Pack of 2

9.9

9.1

9.1

8

Gravity Water Filtration System – 2 High Capacity Lightweight Hanging Bags for Backpacking, Camping, Survival, Hiking, Hunting - Dirty, Clean Water Bags, Water Filter and Cleaning Plunger Included

9

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

9.1

8.2

8.0

10

Sawyer Products SP128 Mini Water Filtration System, Single, Blue

9.9

9.9

9.7

Sign up and get exclusive special deals