Water is necessary for our health, and keeping it clean is critical. Gravity water filters provide a simple but highly effective solution. These devices use gravity to convert ordinary water into a safe and delicious beverage.
Gravity water filters have grown in popularity among those looking for clean hydration due to their simplicity, low cost, and efficiency. They function by slowly flowing water through a series of filtration devices, purifying it in the process.
However, with a wide range of options available, navigating the world of gravity water filters can be daunting. To help you make an informed decision, let’s explore some key factors to consider when choosing the best gravity water filter for your needs. Following are some key factors for the Best Gravity Water Filters:
- Types of Gravity Water Filters: Choosing between countertop and portable gravity water filters depends on your lifestyle. Countertop models, designed for home use, promise larger capacities and a permanent fixture in your kitchen for continuous access to clean water. On the other hand, portable filters are compact and lightweight, tailor-made for outdoor adventures or emergency preparedness.
- Filtration Mechanisms: Gravity water filters offer diverse filtration mechanisms, each addressing specific contaminants. Ceramic filters excel in eliminating bacteria and cysts, ensuring your water is free from harmful microorganisms. Meanwhile, activated carbon filters step up to the plate, tackling taste, odor, and chemical impurities, delivering a refreshing and palatable experience. For the pinnacle of filtration, UF (Ultrafiltration) filters reign supreme, proficiently removing a broad spectrum of contaminants, including viruses.
- Capacity: One size does not fit all when it comes to gravity water filters. Household needs differ, and our selection takes that into account. For larger households with multiple members, filters boasting capacities of 2-3 gallons ensure an ample supply of purified water. On the flip side, individuals or smaller households may find a 1-gallon capacity filter more fitting.
In our comprehensive “Buying Guide”, we’ll look into these factors in detail, offering invaluable insights to aid your decision-making process.
Best Gravity Water Filters Table
| Best Gravity Water Filters | Types of Gravity Filters | Filtration Mechanisms | Capacity | Buy Now |
|---|---|---|---|---|
| Berkey Gravity Water Filters | Countertop | Activated carbon | 8.5 Litres | Check On Amazon |
| Waterdrop Gravity Water Filter | Portable | Water Filter | 5,300 liters | Check On Amazon |
| Sawyer Gravity Water Filter | Portable | Water Filter | 1 Gallon | Check On Amazon |
| SimPure Gravity Water Filter | Portable | Water Filter | 3 Litres | Check On Amazon |
| Waterdrop Countertop Gravity Water Filter | Countertop | Carbon Filters | 2.25 gallons | Check On Amazon |
| ZENWATER Gravity Water Filter | Countertop | Ceramic Filter | 4 Gallons | Check On Amazon |
| Santevia Gravity Water Filter | Countertop | Chlorine and Fluoride Filter | 4 Gallons | Check On Amazon |
| Membrane Solutions Gravity Water Filter | Countertop | UF and Carbon Filter | 8.5 Litres | Check On Amazon |
| Purewell Gravity Water Filter | 2.25 gallons | Stainless steel | 2.25 gallons | Check On Amazon |
Best Gravity Water Filters Reviews
1. Berkey Gravity Water Filters
Big Berkey has built a reputation for delivering top-notch products without compromising on affordability. Among its range of gravity water filters, the stainless steel countertop water filtration system stands out as a premier choice available online. With a height of 19.25 inches and a capacity of 2.25 gallons, this system efficiently converts tap water into delicious, refreshing drinking water.
Sporting 2 Authentic Black Berkey Elements BB9-2 filters, it’s hailed as the pinnacle of gravity-fed water filtration. No need for electricity, tools, or plumbing – simply place it on your countertop for a steady supply of great-tasting water. The precision-engineered Black Berkey Elements are designed to eradicate over 250+ contaminants from freshwater sources, ensuring each sip is pure and devoid of impurities. With a lifespan of up to 6,000 gallons per pair, these filters offer both cost-effectiveness and durability, providing clean water at an exceptionally low cost per gallon.
Specifications
- Material: Stainless Steel
- Capacity: 8.5 Liters
- Purification Method: Activated Carbon
- Maximum Flow Rate: 0.03 Gallons Per Minute
- Special Feature: Chlorine Reduction
- Power Source: Gravity-fed
Pros
- Exceptional contaminant removal capability.
- Long-lasting filter lifespan.
- Easy countertop setup, no plumbing required.
- Economical water filtration solution.
Cons
- Water may retain a rubber taste if not properly managed.
2. Waterdrop Gravity Water Filter
The Waterdrop Gravity Water Filter Straw is an indispensable companion for camping, traveling, backpacking, and unforeseen emergencies. This gravity-powered system is equipped with a 1.5-gallon bag, ensuring a dependable supply of safe drinking water. Employing a 0.1-micron ultrafiltration membrane and activated carbon, the Waterdrop Filter Straw adeptly removes chlorine, sediment, and undesirable flavors, ensuring a superior drinking experience.
The 5-stage filtration mechanism, incorporating high-quality coconut shell activated carbon, ensures a reduction of over 99% of impurities. Boasting a lifespan of up to 1,400 gallons, this filter straw provides a robust solution for your outdoor excursions. The innovative backwash purifier function streamlines maintenance and extends the straw’s usability. Effortlessly connect it to water bags or bottles for on-the-go access to clean drinking water at any location.
Specifications
- Material: BPA Free Food-Grade Material
- Capacity: 1400 Gallons
- Purification Method: Hollow Fiber Ultrafiltration Membrane, Activated Carbon
- Special Feature: Water Purifier Survival, Gravity Water Filter Straw
- Power Source: Non-Electric
Pros
- Efficient 5-stage filtration process.
- Portable and lightweight for outdoor activities.
- Versatile design for connection to water bags or bottles.
- Recyclable and easy to maintain.
Cons
- Limited capacity for large groups.
- Requires some setup and maintenance, including backwashing the straw.
3. Sawyer Gravity Water Filter
Ranked third, this gravity water filtration system by Sawyer is one of the top performers in its category. Engineered to deliver clean water reliably across various environments, it offers a compact and effective solution. At its core is the Sawyer MINI water filter, renowned for its ability to filter particles down to an impressive 0.1 microns. Paired with a lightweight 1-gallon reservoir, this system is primed to provide purified water on demand, whether for camping trips, travel adventures, emergencies, or as part of disaster preparedness kits.
Weighing a mere 2 ounces, the MINI water filter is a powerhouse in filtration performance. Its innovative dual-threaded design ensures effortless attachment and detachment, complemented by the user-friendly flip-top sports cap. Filling the bladder is a breeze thanks to its wide-mouth opening, while the inclusion of a carry handle adds to its portability factor. Sawyer has rigorously tested this system to guarantee the removal of harmful contaminants like bacteria, protozoa, and microplastics, offering peace of mind in outdoor excursions or emergencies.
Specifications
- Material: Plastic
- Capacity: 1 Gallon
- Purification Method: Hollow Fiber Membrane
- Power Source: Adapter
Pros
- Portable and lightweight design.
- High-performance 0.1 Micron absolute filtration.
- Versatile application for various scenarios.
- Easy-to-use flip-top sports cap for efficient water flow.
Cons
- Plastic bladder may develop small holes over time.
- Challenging to fill and filter simultaneously.
4. SimPure Gravity Water Filter
SimPure’s gravity water filter includes a 3L gravity bag, making it a must-have for outdoor activities such as camping, hiking, and emergency situations. Its adaptable design allows for various uses, from personal water filtration to connecting with a water bottle through the provided 29.5-inch extension tube. With an impressive lifespan of 5,000 liters (1320 gallons), this water purifier guarantees consistent filtration on the move, adequate for a family of four for up to 3.5 years.
Its advanced filtration system incorporates a 0.1-micron ultrafiltration membrane, a 5-micron coconut shell GAC filter, and a 0.2-micron PP fiber filter. Together, these components eliminate impurities at a rate exceeding 99.99999%, effectively removing heavy metals, chlorine, and unpleasant odors. Convenience is paramount with hands-free filtration, facilitated by the included tree strap, ensuring a quick and effortless supply of filtered water within minutes.
Specifications
- Special Feature: Portable
- Power Source: Non-Electric
- Maximum Flow Rate: 27 Liters Per Hour
- Material: Plastic
- Capacity: 3 Liters
- Purification Method: Hollow Fiber Membrane, Activated Carbon
Pros
- Versatile usage with personal and extended water filtration options.
- Long lifespan of 5,000 liters for extended outdoor trips.
- An efficient 0.1-micron ultrafiltration membrane removes contaminants.
- Lightweight and compact design for easy portability.
Cons
- Filter hardening after a single use.
- Requires hanging the bag, which may not always be convenient.
5. Waterdrop Countertop Gravity Water Filter
The Waterdrop Gravity-fed Water Filter System from the King Tank Series (WD-TK-A) is a superb enhancement to enhance your water purification experience. Crafted for both indoor and outdoor utilization, this countertop water filter boasts a generous 2.25-gallon capacity, catering to the clean water requirements of a family of four. Utilizing natural coconut-activated carbon filters, the system effectively reduces chlorine and improves the flavor of your water. It goes a step further by eliminating heavy metals, sediment, and enhancing overall water quality, and eliminating odors.
The two charcoal filters are exceptional, providing a filtration capacity of up to 6,000 gallons. This sustainable solution has the potential to spare you from using up to 45,000 plastic bottles over three years. Constructed from 304 food-grade stainless steel, the King Tank water filter ensures durability, safety, and an elegant design. The stainless-steel faucet not only adds a touch of sophistication but also dispenses clean and pure drinking water.
Specifications
- Special Feature: Countertop Gravity-fed Water Filter System
- Installation Type: Countertop
- Power Source: Gravity-fed
- Material: Stainless Steel
- Capacity: 2.25 Gallons
- Included Components: Upper Chamber1, Lower Chamber1, Water filter*2
- Purification Method: Gravity-fed Water Filter System
Pros
- Large 2.25-gallon capacity suitable for a family of four.
- Outstanding filtration with natural coconut-activated carbon filters.
- Sustainable solution with two filters lasting up to 6,000 gallons.
- Easy setup and installation without the need for electricity.
Cons
- Poor Performance and filter quality concerns.
- Not ease for cleaning
- Limited to two carbon filters with no TDS level reduction.
- Issues with the stainless-steel faucet over time.
6. ZENWATER Gravity Water Filter
For those seeking a versatile water filtration solution, Zen Water’s 4-gallon Countertop Water Filter & Purifier is ideal. This portable system transforms tap water into clean, alkaline mineral water. Featuring a 5-in-1 eco-friendly design, it combines filtration, purification, mineralization, alkalization, and magnetization.
Its micro-ceramic filter traps sediment and contaminants, while activated carbon eliminates odors and bad taste. Silica sand, far-infrared ceramic balls, and Maifan Mineral Stones contribute to a fresh taste. It operates without electricity or plumbing, it’s suitable for various settings, including homes, offices, and outdoor use.
Specifications
- Special Feature: Manual, Dishwasher Safe
- Installation Type: Countertop
- Power Source: Gravity
- Weight: 6.5 Pounds
- Material: Plastic
- Capacity: 4 Gallons
- Purification Method: Activated Carbon, Alkaline
Pros
- 5-in-1 system for comprehensive water purification.
- Dishwasher-safe for easy maintenance.
- Micro-Ceramic Filter and 5-Stage Mineral Cartridge ensure high-quality filtration.
- Eco-friendly, BPA-free, and operates on gravity.
Cons
- Issues reported with slow water filtration rate.
- Bad taste and poor durability.
- Occasional leaks.
- Not recommended for microbiologically unsafe water.
7. Santevia Gravity Water Filter
The Santevia Gravity Water System Filter, free from BPA, is designed to provide pure and flavorful water by eliminating impurities while adding essential minerals. Ideal for households, with a 4-gallon capacity, it ensures reliable access to alkaline and mineralized water. This system excels in removing harmful substances like chlorine, pharmaceuticals, and fluoride, ensuring the safety and purity of your drinking water.
Santevia’s distinctive filtration process not only cleanses but also enriches the water with vital minerals such as calcium, magnesium, and potassium, offering health benefits with every sip. A standout feature is its ability to increase the water’s pH by up to +2.0 units, resulting in a smooth and refreshing taste. This alkaline enhancement assists your body in naturally combating acidity, thereby promoting overall well-being. Enjoy water that not only tastes delicious but also effectively hydrates your body.
Specifications
- Special Feature: Chlorine Reduction
- Installation Type: Countertop
- Power Source: Gravity System
- Item Weight: 8.25 Pounds
- Model Name: Countertop Model
- Material: Plastic
- Capacity: 4 Gallons
- Purification Method: Granular Activated Carbon
Pros
- Mineralized water filter with a generous 4-gallon capacity.
- Reduction of lead, fluoride, and other impurities for cleaner water.
- Infuses essential minerals, supporting optimal health.
- Alkaline water benefits with a pH increase of up to +2.0 units.
Cons
- White particles and an off-putting taste over time.
- Higher price point compared to basic water filtration systems.
- Slower filtration process compared to electric systems.
- Requires regular filter replacements.
- Large size may not be suitable for small kitchens.
- Not as effective at removing TDS (Total Dissolved Solids) compared to reverse osmosis systems.
8. Membrane Solutions Gravity Water Filter
The Membrane Solutions Pro 6L gravity water filter offers dependable water purification ideal for outdoor adventures and emergency preparedness. With a substantial 6-liter capacity, it ensures a steady flow of clean drinking water for your group during diverse outdoor excursions.
ts advanced 4-stage filtration system, featuring a 0.1-micron hollow fiber ultrafiltration membrane, coconut shell GAC filter, and dual PP fiber filter, efficiently eliminates over 99.9999% of impurities such as bacteria, parasites, chlorine, and heavy metals, guaranteeing water purity and safety. Maintenance is simplified with its innovative backwash system, while the adjustable tree strap allows for easy hanging on various tree trunks.
Specifications
- Material: Stainless Steel
- Capacity: 8.5 Litres
- Purification Method: Activated Carbon
- Maximum Flow Rate: 0.03 Gallons Per Minute
- Installation Type: Counter Top
- Weight: 7.4 Pounds
- Upper-Temperature Rating: 1 Degree Celsius
- Special Feature: Chlorine Reduction
Pros
- Durable construction and ease of use.
- Efficient filtration, removing a wide range of contaminants.
- Versatile in different outdoor scenarios.
- Large capacity meets group water needs.
Cons
- Water leakage.
- Clogging issues.
- Poor flow and performance.
- May not be suitable for extremely dirty water sources.
9. Purewell Gravity Water Filter
Purewell offers a sophisticated 3-Stage Ultra-Filtration filtration system, providing a convenient countertop solution for consistent access to pure, safe drinking water. Crafted from durable stainless steel, this system not only treats tap water but also effectively reduces various contaminants. Its filtration mechanism involves three stages, incorporating a 0.01μm hollow fiber UF membrane alongside a silver ion membrane, proficiently eliminating up to 99.99% of minute particles.
The finer filter pore size guarantees precise filtration, resulting in clear and refreshing water with every dispense. Endorsed with NSF/ANSI 42 & 372 certifications, this system meets stringent quality and safety benchmarks. Beyond its efficacy, the Purewell Gravity Water Filter System showcases an elegant and user-centric design. Fashioned from 304 food-grade stainless steel, it offers robustness and longevity. The stainless-steel spigot prevents leaks, while the non-slip stand enhances stability. Operating on an energy-saving gravity filtration system, it functions without electricity, rendering it suitable for both indoor and outdoor applications.
Specifications
- Material: Stainless Steel
- Capacity: 2.25 Gallons
- Purification Method: Activated Carbon
- Installation Type: Counter Top
- Product Weight: 8.5 Pounds
- Product Dimensions: 8.9″L x 8.9″W x 20″H
- Lifespan: 6 Months
- Flow Rate Time: 40 Mins
Pros
- High-quality construction with stainless steel materials.
- Efficient 3-stage filtration process for clean drinking water.
- Energy-saving design suitable for indoor and outdoor use.
- Stylish appearance adds a touch of elegance to any space.
Cons
- Leakage issues with the spigot.
- Replacement filters may need to be purchased separately.
- Potential leaks.
Things to Consider Before Buying Any Gravity Water Filter
Selecting the right gravity water filter can be challenging due to the various types available. To simplify your decision-making process, we have compiled a list of factors that will assist you in choosing the most suitable gravity water filter for your needs. This guide aims to save you time, money, and effort by aiding you in making an informed decision.
1. Types of Gravity Water Filters
- Countertop Gravity Filters: These filters are intended for indoor use and are placed on countertops. With capacities ranging from 10 to 20 liters, they are ideal for families or individuals. Countertop filters provide a convenient solution for daily water purification, ensuring clean drinking water is easily accessible.
- Portable Gravity Filters: Designed for outdoor use, these filters are compact and lightweight, making them easy to carry in a backpack or attach to your gear. Although they typically have smaller capacities (2 to 5 liters), they are efficient for providing safe drinking water during activities such as camping, hiking, or travel.
2. Filtration Mechanism
Gravity water filters utilize various filtration mechanisms to eliminate contaminants. The three most common types are:
- Ceramic Filters: Composed of diatomaceous earth, these filters trap bacteria, parasites, and sediment. They are effective and low-maintenance but can clog if used with very dirty water.
- Activated Carbon Filters: Using activated carbon, these filters adsorb organic contaminants, chlorine, and unpleasant tastes and odors. While effective for improving taste and odor, they may not be as efficient as ceramic filters at removing harmful bacteria and parasites.
- Ultrafiltration (UF) Filters: Equipped with a semi-permeable membrane, these filters have small pores that remove bacteria, parasites, and viruses. They are the most effective gravity water filters, suitable for a wider range of water sources. However, they can be pricier and require a higher initial head pressure to operate.
3. Capacity
Gravity water filters are available in various sizes, with capacities ranging from a few liters to several gallons. Choose a filter size based on your needs, considering how much water you consume and how often you want to refill the filter. Here are general guidelines for capacity:
- Single Person: 2-4 liters
- Couple: 5-8 liters
- Family: 8-12 liters
- Camping/Outdoors: 1-2 liters per person per day
4. Flow Rate and Filter Time
Flow rate refers to the speed at which water passes through the filter, varying based on filter size, media type, and water pressure. Larger filters with ceramic or UF media generally have faster flow rates. Filter time is the total time it takes for the entire water volume to pass through the filter, directly related to flow rate and filter size.
Choose the ideal flow rate and filter time based on your specific needs. Larger filters with faster flow rates are suitable for quickly filtering large amounts of water, while smaller filters with slower flow rates may be more convenient for portability and space constraints.
5. Lifespan
The lifespan of a gravity water filter depends on factors such as filter media type, frequency of usage, and water quality. Filters typically need replacement every few months or after filtering a specific volume of water. Consider the following lifespans for different filter media:
- Activated Carbon: 3-6 months
- Ceramic: 1-2 years
- UF: 2-5 years
Regularly replace filters to maintain optimal performance, as using expired filters can compromise their ability to remove contaminants and may introduce harmful bacteria into the water.
Best Gravity Water Filters – FAQs
Ans: This is a subjective question for different kinds of gravity water filters. The ideal and the best option in the gravity water filters would filter out 1 litre of water in 45 seconds or 1 minute.
Ans: You need to make sure that the filter can get rid of the contaminants present in the water supply and you also need to see if the water is hard water or soft water.
Ans: The gravity water filters can take care of health-threatening contaminants like viruses, heavy metals, herbicides, pesticides, cysts and bacteria from the supplied water.
Ans: The gravity filters can take care of the solid impurities from the water through the method of sedimentation.
Ans: The water that passes through the gravity filters is safe for consumption and are better than consuming an unpurified water supply.
Conclusion
Armed with the insights provided in this guide, choosing the perfect gravity water filter becomes effortless. We’ve detailed all the crucial factors to consider, empowering you to make a well-informed purchasing decision. Whether you prioritize absorption capacity, heavy-duty purification, or portability, we’ve got you covered. Should any uncertainties persist or if you require further assistance, don’t hesitate to reach out to us via the comments section below.
To simplify your search, here are our top two recommendations:
- Waterdrop Gravity Water Filter: With its impressive absorption capabilities and a sizable capacity of 1400 gallons, this filter stands out.
- Sawyer Gravity Water Filter : Designed for convenience with its lightweight build and a 0.1-micron dual-threaded filter, this option includes a practical carry handle for added portability.
