Imagine turning on your tap and getting pure, clean water every single time. Sounds great, right? But when you look for a gravity water filter, it’s easy to get overwhelmed. So many brands, so many claims! How do you know which one actually works and is safe for your family?
Choosing an NSF certified gravity water filter is super important for your health. NSF certification means the filter has been tested and proven to remove harmful stuff from your water. But with so many filters out there, it’s tough to figure out which ones have this important stamp of approval. You want to trust that your water is clean, but it’s hard to know where to start your search.
In this post, we’ll break down what NSF certification really means for gravity water filters. We’ll show you how to spot the genuine certifications and what features to look for. By the end, you’ll feel confident picking the best NSF certified gravity water filter for your home, so you can enjoy safe, great-tasting water without any worries.
Our Top 5 Nsf Certified Gravity Water Filter Recommendations at a Glance
Top 5 Nsf Certified Gravity Water Filter Detailed Reviews
1. Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System
Rating: 9.3/10
Upgrade your home’s drinking water with the Purewell 3-Stage 0.01μm Ultra-Filtration Gravity Water Filter System. This countertop system uses gravity to deliver clean, great-tasting water without needing electricity. It’s made with durable 304 stainless steel and comes with everything you need to get started.
What We Like:
- Superior Filtration: The 0.01μm filter pore size removes 99.99% of tiny impurities, much finer than many other filters.
- NSF/ANSI Certified: It’s certified to reduce chlorine and other contaminants, ensuring safe drinking water.
- Complete Set: Includes a sturdy 304 stainless steel housing, a leak-proof spigot, and a non-slip stand, so no extra purchases are needed.
- Energy Efficient: Works using just gravity, meaning no electricity is required, making it usable anywhere.
- Long-Lasting Filters: Each filter can provide up to 3000 gallons of clean water, and you get two filters in the package.
What Could Be Improved:
- TDS Not Reduced: The filter does not lower the Total Dissolved Solids (TDS) in the water, which might be a concern for some users.
- Leak Warning: You need to be careful not to overfill the top chamber when the bottom is full to prevent leaks.
- Filter Replacement Timing: While filters last a long time, they are recommended to be replaced every 6 months for best performance, which adds to ongoing costs.
This Purewell system offers excellent water purification and a stylish, eco-friendly solution for your home. It’s a practical choice for anyone seeking cleaner water with minimal hassle.
2. Filterlogic NSF/ANSI 372 Certified Water Filter
Rating: 8.6/10
Looking for a reliable and affordable way to get clean, great-tasting water? The Filterlogic NSF/ANSI 372 Certified Water Filter is a fantastic option. This 4-pack of replacement filters is designed to work with popular Berkey® gravity filter systems and Waterdrop King Tank systems. They’re made with natural coconut shell activated carbon and are certified safe, giving you peace of mind with every sip.
What We Like:
- Great Filtration: These filters effectively reduce chlorine by up to 99%, along with heavy metals, sediment, rust, and bad odors. Your water will taste much better!
- Safety Certified: They are NSF/ANSI 372 certified, meaning they are made with safe, lead-free, and BPA-free materials.
- Cost-Effective: Replacing these filters can save you money compared to buying bottled water. One pair can filter 6,000 gallons, which is like saving 45,000 water bottles!
- Versatile Use: Perfect for home, travel, camping, or emergencies, these filters provide clean water wherever you are.
- Secure Fit: The design includes a washer and wing nut for a snug connection, helping to prevent leaks.
What Could Be Improved:
- TDS Not Reduced: It’s important to know that these filters do not lower the Total Dissolved Solids (TDS) in your water.
- Minor Splashing Possible: While they aim for a leak-free connection, some minor splashing might occur if your faucet isn’t a perfect fit, though this won’t affect the water quality.
Overall, the Filterlogic water filters offer a budget-friendly and effective solution for cleaner, better-tasting water for various needs. They are a solid choice for anyone looking to improve their home water filtration.
3. AQUACREST NSF/ANSI 42&372 Certified Water Filter
Rating: 8.8/10
Looking for a way to get cleaner, better-tasting water from your Berkey® gravity filter system? The AQUACREST NSF/ANSI 42&372 Certified Water Filter, Replacement for Berkey® Black Purification Elements, Pack of 2 offers a solution. These filters are designed to work with various Berkey® models, including Travel, Light, Big, Royal, Imperial, and Crown. They also fit AQUA CREST’s own AQ-TN series. Remember, AQUACREST is a separate brand, not affiliated with Berkey®.
What We Like:
- These filters significantly reduce common contaminants like chlorine, heavy metals, and bad tastes and odors, giving you cleaner water.
- They are made with natural coconut activated carbon, which is a safe material that won’t add anything harmful to your water.
- The AQUACREST filters are designed to fit perfectly into your existing Berkey® system, preventing leaks.
- Each pair of filters can last for up to 6,000 gallons, offering a long service life.
- You can enjoy clean water anytime, even when you’re outdoors.
- A priming button is included to help you get the filters ready for use.
What Could Be Improved:
- Before using, you need to flush the filter for about a minute, which can be a bit of an extra step.
- If your faucet isn’t a perfect fit, some splashing might occur during flushing, though it doesn’t affect the filter’s performance.
- The product description mentions that the filters do not lower the TDS (Total Dissolved Solids) level, and TDS doesn’t tell the whole story about water quality.
This AQUACREST filter set provides an effective way to improve your water quality. It’s a solid option for those seeking cleaner drinking water from their gravity filtration system.
4. Gravity Water Filter System – 2.25 Gallons – NSF Certified – AISI 304 Stainless Steel Countertop Water Filter System with 2 Smart (Black) Carbon Filter Elements & Free Stainless Steel Water Spigot
Rating: 8.8/10
Tired of questionable tap water? Meet the Phoenix Gravity Water Filter System, a robust and reliable solution for clean, healthy drinking water right on your countertop. This 2.25-gallon system is built to last, made from high-quality stainless steel and backed by serious NSF certification.
What We Like:
- Proven NSF-Certified Filtration: It removes 99.99% of nasty stuff like chlorine, heavy metals, microplastics, and PFAS, while keeping good minerals.
- Premium Stainless Steel Build: Crafted from durable AISI 304 stainless steel, it’s rust-resistant and looks great. It’s also portable for camping or travel.
- All-Inclusive Package: Comes with the tank, two smart carbon filters, a stainless steel spigot, and everything else you need to start filtering.
- Long-Lasting Filters: Each filter set can handle 5500 gallons, and you only need to replace them about once a year for peak performance.
- Eco-Friendly & Economical: Ditch bottled water! This reusable system saves you money and helps the environment. It requires no electricity or tools.
- Certified Safe Materials: Built with NSF/ANSI Standard 42 and 372 certified food-grade materials, ensuring safety for your family.
What Could Be Improved:
- Doesn’t Reduce TDS: While it keeps healthy minerals, it won’t lower the Total Dissolved Solids count in your water, which some people prefer.
If you’re looking for a dependable, eco-friendly way to get pure drinking water, the Phoenix Gravity Water Filter System is an excellent choice. It offers peace of mind and great value for your home.
5. British Berkefeld 7″ Ultra Sterasyl Ceramic Gravity Filter Cartridge
Rating: 8.9/10
Upgrade your home water with the British Berkefeld 7″ Ultra Sterasyl Ceramic Gravity Filter Cartridge. This 2-pack is designed to fit all gravity water cans, giving you cleaner, better-tasting water. It’s NSF certified, meaning it meets strict standards for safety and performance.
What We Like:
- Makes water taste great by removing bad odors and contaminants.
- Filters out 99.99% of bacteria, chlorine, lead, PFAS, and more, keeping healthy minerals.
- Works with British Berkefeld, Phoenix, Netwon, Berky, and Purewell gravity cans.
- Proudly made in Britain with over 200 years of water filtration experience.
- NSF certified, ensuring high quality and reliability.
What Could Be Improved:
- Filters need to be replaced every 6 months for best results.
This filter cartridge is an excellent choice for anyone seeking purer, tastier water for their family. Invest in your health and enjoy delicious, clean water every day.
Your Guide to NSF Certified Gravity Water Filters
Why Choose an NSF Certified Gravity Water Filter?
You want clean, safe drinking water. A gravity water filter is a simple way to get it. An NSF certification means the filter has been tested and proven to remove harmful stuff from your water. This guide will help you pick the best one.
1. Key Features to Look For
Filter Capacity and Speed
Think about how much water you need. Some filters hold more water and filter it faster. Look at the gallons per hour (GPH) rating. A higher GPH means quicker access to clean water.
Filtration Stages and What They Remove
Good filters have multiple stages. These stages catch different kinds of contaminants. Common stages include:
- Sediment filters: These catch dirt, sand, and rust.
- Activated carbon filters: These remove chlorine, bad tastes, and odors.
- Ceramic filters: These can trap bacteria and cysts.
- Specialty filters: Some filters also remove heavy metals like lead or fluoride.
Check what the filter is certified to remove. NSF standards cover different contaminants.
Durability and Build Quality
A good filter should last a long time. Look for sturdy construction. The housing should be made of strong, food-grade materials.
Ease of Use and Maintenance
You want a filter that’s easy to set up and use. Cleaning and replacing filter elements should also be simple. Clear instructions are a big plus.
Water Storage Capacity
How much filtered water can the container hold? If you have a large family or use a lot of water, a bigger tank is better.
2. Important Materials
Filter Housing
Most good gravity filters use stainless steel or BPA-free plastic. Stainless steel is very durable and doesn’t leach chemicals. BPA-free plastic is lighter and often cheaper.
Filter Elements
The filter elements themselves are usually made of ceramic, activated carbon, or a combination. These materials are chosen for their ability to trap impurities.
3. Factors That Improve or Reduce Quality
NSF Certification
This is the most important factor. Look for NSF 42 (for aesthetic effects like taste and odor) and NSF 53 (for health effects like lead removal). NSF 58 is for reverse osmosis systems, which gravity filters generally are not.
Brand Reputation
Trusted brands often have better quality control. They also tend to offer good customer support.
Filter Lifespan
How many gallons can a filter element clean before needing replacement? A longer lifespan means less frequent purchases.
Filter Clogging
If your source water is very dirty, the filter can clog faster. This reduces the flow rate. Some filters are easier to clean than others.
4. User Experience and Use Cases
For Everyday Use
Many people use gravity filters in their homes for clean drinking water. They sit on the counter and are easy to refill.
For Emergencies and Camping
These filters are great for situations where tap water isn’t safe. They don’t need electricity or plumbing. This makes them ideal for camping, RVs, and emergency preparedness.
Taste and Odor Improvement
Users often notice a big difference in the taste and smell of their water after using a gravity filter. Chlorine is a common culprit that gets removed.
Ease of Setup
Most gravity filters are very simple to set up. You usually just assemble the parts and prime the filters.
Frequently Asked Questions (FAQ)
Q: What does “NSF Certified” mean for a gravity water filter?
A: NSF certification means the filter has been tested by an independent organization. It proves the filter removes specific contaminants as claimed and is made from safe materials.
Q: How often do I need to replace the filters?
A: Filter replacement frequency depends on the model and how much water you filter. Check the manufacturer’s recommendations, usually measured in gallons or months.
Q: Can a gravity filter remove bacteria?
A: Some gravity filters, especially those with ceramic elements, are designed to remove bacteria. Always check the filter’s specifications and NSF certifications for bacteria removal claims.
Q: Are gravity filters slow?
A: Filtration speed varies by model. Larger filters with more filter elements generally filter water faster.
Q: What is the main benefit of using a gravity water filter?
A: The main benefit is providing clean, safe drinking water without electricity or complex installation, making it ideal for everyday use and off-grid situations.
Q: Can I use a gravity filter with cloudy water?
A: Yes, gravity filters can handle cloudy water. However, very dirty water may clog the filters faster, requiring more frequent cleaning or replacement.
Q: Do gravity filters remove lead?
A: Some gravity filters are certified to remove lead. Look for NSF/ANSI Standard 53 certification specifically for lead reduction.
Q: How do I clean a gravity water filter?
A: Cleaning instructions vary. Typically, you’ll rinse the filter elements and the housing. Refer to your filter’s manual for specific cleaning steps.
Q: Are stainless steel gravity filters better than plastic ones?
A: Stainless steel is more durable and resistant to damage. Both can be good if they are made from food-grade materials and are NSF certified.
Q: Can I attach a gravity filter to a faucet?
A: No, gravity filters work by letting water flow through the filter naturally due to gravity. They do not connect to faucets.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.
Hi, I’m Scott Fischer, the voice behind SliceItRight. My passion for food started in my grandmother’s kitchen, where I learned the art of slicing, dicing, and creating delicious meals. Over the years, I’ve explored everything from the perfect kitchen gadgets to mastering culinary techniques, and I’m here to share all of it with you. Whether you’re a beginner or an experienced home chef, my goal is to make cooking easier, more enjoyable, and a lot more fun. So, let’s slice it right and cook up something amazing together!