Gravity water filters offer a reliable and efficient solution for accessing clean water, harnessing the natural force of gravity to remove contaminants without the need for electricity or plumbing. Ideal for both home use and outdoor activities, these filters are praised for their portability and effectiveness in improving water taste and safety. As water scarcity and pollution persist globally, gravity water filters serve as an essential tool, providing peace of mind with every sip of purified water.
Here are a few factors to consider while buying gravity water filters:
- Filtration Technology: Choose filters that tackle 99.9% of pathogens. Opt for ones with a life span up to 6,000 gallons for less frequent changes.
- Storage Capacity: For families, a 2-3 gallon tank is ideal; solo users might find a 1-gallon sufficient. Bigger tanks mean fewer refills.
- Certification: Ensure your filter has NSF/ANSI certification to confirm it effectively removes harmful contaminants like lead and chlorine.
This article presents a handpicked list of the best gravity water filters. Refer to our “Buying Guide” for more guidance.
9 Best Gravity Water Filters: Table
| Best Gravity Water Filters | Filtration Mechanism | Capacity | Buy Now |
|---|---|---|---|
| Big Berkey Gravity Water Filter | Activated Carbon, Black Berkey Elements | 2.25 gallons | Check On Amazon |
| Waterdrop Gravity Water Filter | Activated Carbon, Ultrafiltration Membrane | 2.25 gallons | Check On Amazon |
| Platypus Gravity Water Filter | Hollow Fiber Membrane | 2 liters | Check On Amazon |
| Sawyer Gravity Water Filtration System | Hollow Fiber Membrane | 1 gallon | Check On Amazon |
| SimPure Gravity Water Filter | Activated Carbon, Hollow Fiber Membrane | 3 liters | Check On Amazon |
| Waterdrop Gravity-Fed Water Filter | Ceramic Filter, Activated Carbon, Alkaline Filter | 4 gallons | Check On Amazon |
| ZENWATER Water Filter | Granular Activated Carbon, Alkaline Mineral Stones | 4 gallons | Check On Amazon |
| Santevia Gravity Water System Filter | Silver Ion, Activated Carbon, UF Membrane | 2.25 gallons | Check On Amazon |
| Purewell Gravity Water Filter | Coconut Shell Activated Carbon, Hollow Fiber Membrane | 1.5 gallons | Check On Amazon |
9 Best Gravity Water Filters Reviews
1. Big Berkey Gravity Water Filter
With its advanced purification abilities and rugged stainless steel body, the Big Berkey Gravity Water Filter is a trusted choice for households. The system operates entirely without electricity, relying on gravity to filter 2.25 gallons of water, perfect for 1-4 individuals.
With its powerful Black Berkey purification elements, the system removes or dramatically reduces over 200+ typical contaminants found in freshwater, including pathogens, heavy metals, and chemicals. Each pair of elements has a lifespan of approximately 6,000 gallons, ensuring long-term cost efficiency and reliability.
The Big Berkey is not only efficient but also versatile, functioning well in a variety of settings including kitchens, camping sites, and emergency preparedness kits. Its ability to transform raw, untreated water into potable water makes it an essential tool for health and safety in a range of environmental conditions.
Specifications:
- Material: Stainless Steel
- Capacity: 25 gallons
- Filtration Method: Activated Carbon
- Installation Type: Countertop
- Maximum Flow Rate: 03 gallons per minute
- Purification Method: Black Berkey Elements
- Power Source: Gravity-fed
Pros:
- Highly effective in removing a wide range of contaminants
- Long filter lifespan reduces ongoing costs
- No electricity or plumbing required, enhancing portability
- Durable and stylish stainless steel construction
- Suitable for both everyday use and emergency situations
Cons:
- Stainless steel body can be prone to fingerprints and smudges
Customer Feedback: Customers appreciate the Big Berkey for its effective removal of contaminants and excellent water taste, but some report issues with the filter priming process and the stainless steel body denting easily.
2. Waterdrop Gravity Water Filter
Offering a smart approach to water purification, the Gravity Water Filter by Waterdrop provides a solution that doesn’t rely on electricity. With advanced filtration technology encased in a sleek, countertop-friendly design, this filter combines form and function effortlessly. Its gravity-fed mechanism ensures that the system operates purely through natural pressure.
Equipped with a sophisticated filtration system, the Waterdrop filter is capable of reducing contaminants such as chlorine, lead, and fluoride while also improving the overall taste and odor of the water. Its large capacity of 1.5 gallons caters adequately to both individual and family needs, ensuring a continuous supply of clean water.
The Waterdrop Gravity Water Filter is designed for ease of use and maintenance, with simple assembly and straightforward filter replacements. It stands out as an economical choice for those seeking a reliable water purification system that combines efficiency with environmental consciousness.
Specifications:
- Material: Hollow Fiber Ultrafiltration Membrane, Activated Carbon
- Capacity: 1400 Gallons per straw
- Filtration Method: 5-Stage Filtration
- Installation Type: Portable
- Maximum Flow Rate: 700 milliliters per minute
- Purification Method: Ultrafiltration and Activated Carbon
- Power Source: Non-electric
Pros:
- Exceptionally lightweight and portable, perfect for travel
- High filtration capacity suitable for long trips
- Versatile connectivity options with bags and bottles
- Innovative backwash function extends filter life
- Effective against a wide range of contaminants
Cons:
- Can be slow to filter in non-ideal conditions
Customer Feedback: Users laud the Waterdrop Gravity Water Filter for its user-friendly setup and effective filtration, though some note that the tap can be prone to leaking if not properly installed.
3. Platypus Gravity Water Filter
If clean water is a top priority for your outdoor adventures, the Gravity Water Filter by Platypus has you covered. Built with outdoor activities in mind, this lightweight and compact system makes it easy to enjoy up to 1.75 liters of fresh water per minute, whether you’re hiking, camping, or backpacking.
Using hollow fiber technology, the filter meets all EPA and NSF guidelines for water purification, effectively removing over 99.9999% of bacteria and 99.9% of protozoa, including common pathogens like Giardia and Cryptosporidium. The system includes a 2-liter dirty water reservoir, a clean water storage bag, and quick-connect hoses, making setup and operation swift and easy.
The Platypus system emphasizes convenience and efficiency, offering users a high-flow, hands-free filtration system that ensures safe, potable water in the most remote locations. Its durability and ease of maintenance make it a top choice for both seasoned adventurers and casual hikers.
Specifications:
- Material: Polyethylene
- Capacity: 2 Liters
- Filtration Method: Hollow Fiber Membrane
- Installation Type: Portable
- Maximum Flow Rate: 75 Liters Per Minute
- Purification Method: Hollow Fiber Membrane
- Power Source: Gravity Powered
Pros:
- Exceptionally light and easy to carry, perfect for trekking
- Quick setup and effortless water filtration
- High volume suitable for group use
- Robust removal of bacteria and protozoa
- Adaptable to various hydration systems
Cons:
- Dirty water bag can be difficult to close in cold weather
Customer Feedback: The Platypus is praised for its portability and ease of use in outdoor settings, though users sometimes find the flow rate decreases significantly without regular maintenance.
4. Sawyer Gravity Water Filtration System
The ultra-light Sawyer filtration system, designed with a gravity-based mechanism, is perfect for travelers and outdoor lovers. Its advanced 0.1-micron absolute inline filter guarantees the removal of 99.99999% of bacteria and 99.9999% of protozoa, offering peace of mind in even the most remote locations.
This gravity-based filtering system includes a 1-gallon water bladder and can be used to fill water bottles, hydration packs, or even direct consumption. Sawyer’s commitment to quality is evident in the threefold testing of each MINI unit to meet performance standards, highlighting its dedication to safety and reliability.
Easy to use and maintain, the Sawyer system does not require pumping or chemicals, making it environmentally friendly and simple to operate. Its versatility and effectiveness make it a preferred choice for ensuring safe drinking water during hiking, camping, and emergencies.
Specifications:
- Material: Plastic
- Capacity: 1 Gallon
- Filtration Method: Hollow Fiber Membrane
- Installation Type: Portable
- Maximum Flow Rate: Depends on gravity
- Purification Method: 1 Micron Absolute Filtration
- Power Source: Gravity System
Pros:
- Exceptionally lightweight and compact for easy transportation
- Removes nearly all bacteria and protozoa
- No pumping required, utilizes gravity for filtration
- Versatile, can be used with various containers
- Long-lasting filter with a high gallon capacity
Cons:
- Flow rate can be slow depending on water clarity
Customer Feedback: Most find the Sawyer system highly effective and lightweight, ideal for travel; however, some users have experienced clogging and difficulties with backwashing.
5. SimPure Gravity Water Filter
Built for both portability and versatility, the Gravity Water Filter by SimPure is ideal for outdoor adventures and emergency use. It attaches easily to water bottles and features an extension tube for more accessible water retrieval. With its 0.1-micron hollow fiber membrane and 5-micron coconut shell GAC filter, this filter ensures cleaner, better-tasting water by removing contaminants effectively.
Capable of filtering up to 27 liters per hour, the SimPure system ensures you can quickly hydrate without lengthy delays. Its compact and lightweight design makes it ideal for backpackers and travelers who prioritize space and efficiency.
The SimPure Gravity Water Filter is not only effective but also easy to set up and maintain, requiring minimal effort to achieve clean and safe drinking water. Its durability and high flow rate make it a dependable choice for anyone needing quick and reliable water purification in varied environments.
Specifications:
- Material: Plastic
- Capacity: 3 Liters
- Filtration Method: Activated Carbon, Hollow Fiber Membrane
- Installation Type: Portable
- Maximum Flow Rate: 27 Liters Per Hour
- Purification Method: Activated Carbon and Hollow Fiber UF Membrane
- Power Source: Non-Electric
Pros:
- Extremely lightweight and compact, enhancing its portability
- High flow rate provides quick access to clean water
- Versatile setup options for various hydration needs
- Effective at removing a wide range of contaminants
- Simple to use and maintain, suitable for frequent travelers
Cons:
- Not suitable for filtering chemically polluted water
Customer Feedback: The SimPure is valued for its high flow rate and ease of use, but some users express concerns over the durability of the plastic components and occasional leaks.
6. Waterdrop Gravity-Fed Water Filter
Offering an impressive 2.25-gallon capacity, the Gravity-Fed Water Filter by Waterdrop is perfect for families needing a reliable water purification solution. Its gravity-fed system eliminates the need for electricity, making it an eco-friendly and cost-effective choice. Equipped with natural coconut-activated carbon, it effectively reduces chlorine, improves taste, and removes odors, ensuring safe and refreshing drinking water.
This filter system is praised for its efficiency and longevity, with the capability to treat up to 6,000 gallons per pair of filters. It is particularly noted for its ease of setup and use, requiring no plumbing or professional installation, which makes it an ideal choice for both indoor and outdoor settings.
The Waterdrop Gravity-fed Water Filter is perfect for those who seek a reliable and low-maintenance solution for improving their drinking water quality. Its large capacity and effective filtration technology make it a popular choice for families focused on health and sustainability.
Specifications:
- Material: Stainless Steel
- Capacity: 25 Gallons
- Filtration Method: Activated Carbon
- Installation Type: Countertop
- Purification Method: Gravity-fed Water Filter System
- Power Source: Gravity-fed
Pros:
- Large capacity suitable for family use
- High filtration efficiency with natural coconut carbon
- Long lifespan of filters reduces replacement frequency
- Simple setup and maintenance
- No electricity required, making it eco-friendly and portable
Cons:
- Stainless steel body may show fingerprints and water spots
Customer Feedback: Many users are satisfied with its performance and taste improvement, but others express concerns over build quality and durability issues over time.
7. ZENWATER Water Filter
With the Water Filter from Zen Water, your drinking water is revitalized through a comprehensive system that integrates filtration, purification, mineralization, alkalization, and magnetization. This unique approach not only cleanses tap water but enhances it with vital minerals, transforming it into clean, healthy, alkaline mineral water. The system mimics the natural purification process of mountain spring water, making it both effective and appealing for health-conscious consumers.
Constructed from BPA-free plastic, the Zen Water Filter is designed for countertop use and can hold up to 4 gallons, catering comfortably to family needs. It is equipped with a multi-layer filtration system that includes a micro-ceramic filter, a five-stage mineral cartridge, and maifan mineral stones, which together remove impurities and add beneficial minerals back into the water.
Despite its numerous benefits, the Zen Water Filter does require regular maintenance to keep it functioning effectively, including periodic cleaning and replacement of its various components. However, for those who value the taste and health benefits of mineralized alkaline water, the Zen Water Filter offers a practical and eco-friendly solution.
Specifications:
- Material: Plastic
- Capacity: 4 Gallons
- Filtration Method: Multi-stage including activated carbon and mineral stones
- Installation Type: Countertop
- Purification Method: Activated Carbon, Alkaline
- Power Source: Manual
- Special Features: Dishwasher-safe components
Pros:
- Adds essential minerals to the water, enhancing health benefits
- Increases water’s alkalinity, which can aid in reducing acidity in the body
- Eco-friendly design with no need for electricity
- Large capacity suitable for family use
- All parts are dishwasher safe, simplifying maintenance
Cons:
- Plastic construction may not be as durable as stainless steel options
Customer Feedback: Users love the Zen Water Filter for improving water taste and adding minerals, though some report the plastic parts are fragile and prone to cracking.
8. Santevia Gravity Water System Filter
With the Gravity Water System Filter, Santevia provides a solution to enhance your water by removing common contaminants like chlorine and fluoride while enriching it with essential minerals. The multi-stage filtration process, which includes granular activated carbon, makes water safer and more enjoyable to drink. The filter’s 4-gallon capacity guarantees a generous supply of purified water.
Designed for ease of use, the Santevia system also focuses on the health benefits of alkaline water. By increasing the water’s pH, the system helps to counteract the acidity in the body, promoting better overall health. The system’s mineral stones add back calcium, magnesium, and potassium, which are often removed during the filtration process.
The Santevia Gravity Water System Filter is not only effective but also environmentally friendly, operating without electricity and reducing reliance on bottled water. It’s an ideal choice for families looking to improve their drinking water’s quality and taste while also supporting their health and the environment.
Specifications:
- Material: Plastic
- Capacity: 4 Gallons
- Filtration Method: Granular Activated Carbon
- Installation Type: Countertop
- Purification Method: Activated Carbon
- Power Source: Gravity System
Pros:
- Enhances water with essential minerals for improved health
- Alkalizes water, making it smoother and more hydrating
- Large capacity suitable for family use
- No electricity required, promoting energy efficiency
- Effective at reducing chlorine and other contaminants
Cons:
- Regular maintenance and filter replacement are required
Customer Feedback: Customers appreciate the Santevia for its mineralization and alkalinity features, but some criticize it for a cumbersome setup and maintenance requirements.
9. Purewell Gravity Water Filter
Offering a sophisticated filtration method, the Gravity Water Filter from Purewell ensures reliable purification. With a three-stage filtration system, including a 0.01μm hollow fiber UF membrane, a silver ion membrane, and an activated carbon block, this filter effectively reduces contaminants like chlorine, rust, sediment, and heavy metals, delivering safe, clean water.
This filter is distinguished by its NSF certification, which attests to its effectiveness in improving water quality. The stainless-steel housing not only enhances the system’s durability but also adds a sleek, modern appearance to any kitchen. Moreover, the Purewell filter boasts a high flow rate of 4 gallons per hour, balancing efficiency with high filtration accuracy.
The Purewell Gravity Water Filter is ideal for households seeking a high-performance, low-maintenance water filtration solution. With its long-lasting filters capable of treating up to 6000 gallons of water, it offers both economic and environmental benefits, making it a wise choice for those looking to improve their drinking water’s quality and taste without the ongoing cost of bottled water.
Specifications:
- Material: Stainless Steel
- Capacity: 25 Gallons
- Filtration Method: Activated Carbon, Silver Ion, Hollow Fiber UF Membrane
- Installation Type: Countertop
- Maximum Flow Rate: 4 Gallons Per Hour
- Purification Method: Multi-stage Filtration
- Power Source: Non-Electric
Pros:
- Extremely high filtration efficiency with 0.01 micron pore size
- Long filter lifespan reduces the need for frequent replacements
- No electricity required, making it environmentally friendly
- Stylish and durable stainless-steel construction
- Easy to assemble and maintain, ensuring user-friendliness
Cons:
- Does not reduce TDS, which might not meet the needs of all users
Customer Feedback: Purewell receives high marks for its filtration effectiveness and sleek design, though a few users have mentioned issues with assembly and leaks at the spigot.
Factors To Consider When Buying Gravity Water Filters
Selecting a gravity water filter that meets your specific needs doesn’t have to be complicated. This guide is crafted to help you understand various types of filters, their key features, and what to look for based on your water usage and quality concerns.
What Type Of Gravity Water Filter Do You Need?
Different gravity water filters address distinct water quality issues. Let’s break down what each type offers, helping you make an informed choice:
- Ceramic Filters: Known for their longevity and precision, ceramic filters can trap very fine particles due to their porous nature. They’re ideal if you’re not in a hurry, as they tend to have a slower flow rate. Expect a lifespan of about 1-2 years before needing a replacement.
- Carbon Filters: These are your go-to for removing bad tastes, odors, and chlorine. They work quickly but might need more frequent changes, usually every 6 months to a year, especially if your water has a high level of impurities.
- Reverse Osmosis Filters: For the highest level of purity, these filters use a semipermeable membrane to remove contaminants as small as 0.0001 microns. They are more costly and require significant maintenance but are excellent for comprehensive filtration needs.
- Sand Filters: Simple yet effective for larger particulates. While they’re not the best choice for fine contaminants, they have a robust lifespan of 5-10 years and are great for basic filtration needs.
How Does The Filtration Mechanism Fit Your Needs?
The right filtration mechanism can drastically improve your water quality:
- Physical Filtration: Choose this if your main issue is visible particles and sediment. It’s straightforward and effective for larger contaminants.
- Chemical Filtration: If you’re concerned about chemicals like chlorine or heavy metals in your water, this method targets those impurities specifically.
- Biological Filtration: Essential for eliminating bacteria and viruses, especially if your water source might be compromised.
Capacity Concerns: How Much Water Do You Use?
Your filter’s capacity should align with your daily water usage:
- Small Capacity Filters: Holding 1-2 gallons, these are perfect for personal use or small families.
- Medium Capacity Filters: With a 3-5 gallon capacity, they suit small to medium-sized families or anyone with moderate water needs.
- Large Capacity Filters: These can store 6-10 gallons and are ideal for large families or groups, ensuring ample clean water is always available.
Considerations For Filtration Accuracy And Flow Rate
Understanding the filtration accuracy and flow rate can help you match the filter to your lifestyle:
- Filtration Accuracy: From microfiltration removing particles sized 0.1-10 microns to reverse osmosis tackling up to 0.0001 microns, choose based on the smallest contaminants you need to remove.
- Flow Rate: Filters vary in how fast they can purify water, generally between 0.5 to 3 gallons per minute. Consider how quickly you need access to clean water.
Lifespan And Maintenance: What To Expect
Finally, consider how often you’ll need to maintain or replace your filter:
- Ceramic And Sand Filters: Require less frequent maintenance and are suited for those looking for durability with minimal upkeep.
- Carbon And Reverse Osmosis Filters: These may need more attention, with replacements needed periodically to maintain efficiency and water quality.
FAQs:
Gravity water filters utilize the force of gravity to push water through a series of filters. The water flows from a top chamber to a bottom chamber, passing through filters that remove contaminants such as bacteria, viruses, and other impurities.
The frequency of filter replacement depends on the specific filter and the quality of your water source. Refer to the manufacturer’s guidelines for recommended replacement intervals.
While these filters are effective at removing many contaminants, they may not be able to remove all impurities, especially those at very low concentrations. If you have concerns about specific contaminants, consult with a water quality expert.
While some can be used to filter other liquids, such as juice or coffee, it’s essential to check the manufacturer’s guidelines to ensure compatibility. Some filters may not be designed to handle the specific properties of other liquids.
Yes, they are an excellent option for camping and hiking due to their portability and ease of use. They can provide clean drinking water in remote locations where access to clean water sources may be limited.
No, these filters are not designed to purify saltwater. Saltwater contains a high concentration of minerals and salts that can damage the filter and reduce its effectiveness. If you need to purify saltwater, you’ll need a different type of filtration system.
Indeed, several models are equipped with sophisticated filtration systems capable of extracting heavy metals like lead, arsenic, and mercury, although the range of contaminants removed depends on the filter design and elements.
Yes, many models can eradicate bacteria and viruses, especially those equipped with ceramic or carbon filters that are enhanced with silver nanoparticles.
Yes, they are adept at filtering out sediment and turbidity. Choosing a model with a pre-filter or sediment filter is crucial to prevent clogging of the main filter.
Their ability to remove fluoride varies. For fluoride concerns, it is advisable to consult a water treatment specialist to find an effective solution.
Some models are specifically designed to eliminate pesticides, although their efficiency may depend on the type and concentration of the pesticide.
These filters are not designed to target radioactive contaminants. For issues related to radioactive substances in your water, consulting a water treatment expert is necessary.
They are not intended for algae removal, as algae can proliferate in stagnant conditions. If algae is a concern, it is best to consult a specialist.
Many models, particularly those with activated carbon filters, are highly effective at eliminating odors caused by substances like chlorine, sulfur, or organic materials.
Conclusion
Gravity water filters are a great option for those who want clean drinking water without the hassle of complicated systems. Whether you’re at home or in the great outdoors, these filters offer a simple and effective solution. With a variety of options available, it’s important to choose one that suits your specific needs, from capacity to filter lifespan. By picking the right gravity filter, you can enjoy fresh, safe water anywhere.
Top 3 Recommendations:
- Big Berkey Gravity Water Filter – Ideal for families, the Big Berkey offers large capacity and superior contaminant removal, making it perfect for both home and outdoor use.
- Platypus Gravity Water Filter – This is a great option for campers and hikers. It’s lightweight, portable, and filters water quickly, perfect for adventures in the wild.
- Waterdrop Gravity-Fed Water Filter – An excellent choice for families seeking a reliable countertop filter. It offers great value with long-lasting filters and easy maintenance.
