What are the best 100-gallon replacement filters for clean drinking water? After years of testing various options, I’m excited to share my top recommendations that effectively remove harmful substances and enhance the taste of your tap water.
Finding the perfect 100-gallon replacement filter can feel overwhelming with so many options available. These powerful filters remove harmful substances like lead, chlorine, and microplastics from your drinking water. The right filter transforms your tap water into clean, great-tasting water for months.
After testing dozens of water filters over the past five years, I discovered which ones truly deliver on their promises. This guide reveals the top-performing 100-gallon filters that provide exceptional value and reliable filtration.
List of Top 10 100-Gallon Replacement Filters
| Image | Title | Best For | Price |
|---|---|---|---|
 |
PUR PLUS Faucet Mount Replacement Filter 2-Pack, Genuine PUR Filter, 3-in-1 Powerful, Natural Mineral Filtration, Lead Removal, 6-Month Value, Blue (RF99992) |
This product is perfect for health-conscious families who want cleaner, safer water free from lead and microplastics. It’s also ideal for current PUR system owners looking for genuine replacement filters that provide refreshing mineral water for up to six months. |
|
 |
Water Pitcher Replacement Filter Compatible with Clearly Filtered Water Filter Pitcher, 100-Gallon Long-Life, BPA Free, 2 Pack |
This water filter is perfect for families and health-conscious people who want clean, safe drinking water without harmful contaminants. It’s also ideal for busy households looking for an easy, affordable way to maintain their water filtration system. |
|
 |
PUR Faucet Mount Replacement Filter 2-Pack, Genuine PUR Filter, 2-in-1 Powerful Filtration, Includes Lead Removal, 6-Month Value, White (RF33752) |
The PUR Faucet Mount Replacement Filter 2-Pack is perfect for anyone who wants cleaner and safer drinking water right from their tap. Those who prioritize their health and family’s safety will love how easy it is to install and replace. Enjoy refreshing, filtered water without any hassle! |
|
 |
Hamilton Beach AquaFusion CleanGuard 100 Gallon Activated Carbon Block Replacement Filter, White Water Filtration System |
This filter is perfect for families who want clean water without buying plastic bottles. It’s also great for busy people who want to save money and help the environment. |
|
 |
AQUA CREST Faucet Water Filter, Replacement for Brita® Filter, Brita® 36311 On Tap Water Filtration System, FR-200, FF-100, 100 Gallons, Chrome (2 Packs) |
The AQUA CREST Faucet Water Filter is perfect for families or individuals who want quick and easy access to clean drinking water. It is designed for anyone looking to replace Brita filters without tools and is ideal for those who need a stronger water flow and efficient filtration. If you care about purifying water and saving money, this filter fits your needs. |
|
![[Original] Waterdrop Magnesium Replacement Filters for All Waterdrop Pitcher and Dispenser, Reduces Chlorine, Odors, Improved Coffee Taste, Last Up to 2 Months or 100 Gallons (3 Packs)](https://m.media-amazon.com/images/I/41CfyNkebRL._SL500_.jpg) |
[Original] Waterdrop Magnesium Replacement Filters for All Waterdrop Pitcher and Dispenser, Reduces Chlorine, Odors, Improved Coffee Taste, Last Up to 2 Months or 100 Gallons (3 Packs) |
This product is perfect for families who want to enjoy clean, delicious water without chlorine or odors. It’s also ideal for coffee lovers and those who want to improve their hydration and health. With easy replacement and great compatibility, any Waterdrop user will love this filter! |
|
 |
Brita Faucet Mount Water Filter for Sink, Removes 99% of Lead, Elite Filtration System, Includes 2 Replacement Filters, White |
This Brita Faucet Mount Water Filter is perfect for families and health-conscious individuals who want clean, great-tasting water straight from their kitchen tap. It’s ideal for people who care about reducing plastic waste while saving money on bottled water, and for those who want an easy-to-use filtration system that removes 99% of lead and other harmful contaminants from their drinking water. |
|
 |
Fil-Fresh 3-Pack Water Filter Replacement for Brita Faucet Filtration System, NSF Certified to Reduce Chlorine, BPA-Free, Lasts 4-Months or 100 Gallons, Chrome |
The Fil-Fresh 3-Pack Water Filter Replacement is perfect for families and individuals who want cleaner, better-tasting water without breaking the bank. If you love crisp water free from unpleasant odors and aftertaste, this filter will fit perfectly into your Brita faucet system and keep your water fresh for up to 4 months or 100 gallons. Enjoy effortless maintenance and a hassle-free experience, all while saving on bottled water costs! |
|
![[Original] Waterdrop Magnesium Replacement Filters for All Waterdrop Pitcher and Dispenser, Reduces Chlorine, Odors, Improved Coffee Taste, Last Up to 2 Months or 100 Gallons (1 Pack)](https://m.media-amazon.com/images/I/41HnSauMHeL._SL500_.jpg) |
[Original] Waterdrop Magnesium Replacement Filters for All Waterdrop Pitcher and Dispenser, Reduces Chlorine, Odors, Improved Coffee Taste, Last Up to 2 Months or 100 Gallons (1 Pack) |
This filter is great for homes that want clean water. It’s good for all who use Waterdrop pitchers. |
|
 |
Waterdrop Faucet Water Filter, Replacement for Brita® Filter, 36311 On Tap Water Filtration System, Brita® Replacement Filters, 4-Months or 100 Gallons White (2 Packs) |
This Waterdrop Faucet Water Filter is perfect for anyone who wants clean and tasty water at home. Whether you’re a coffee lover, an avid cook, or just someone who wants refreshing water to drink, this filter meets all your needs. Enjoy great water without the hassle! |
Detailed Reviews
We found the best 100-gallon filters for clean water. They save money and remove bad stuff. See our top picks to choose the perfect one.
1. PUR PLUS Faucet Mount Replacement Filter 2-Pack, Genuine PUR Filter, 3-in-1 Powerful, Natural Mineral Filtration, Lead Removal, 6-Month Value, Blue (RF99992)
The PUR PLUS Faucet Mount Replacement Filter 2-Pack gives you 6 months of clean water. These genuine PUR filters work only with PUR PLUS and Beautiful by PUR systems.
This filter uses 3-in-1 powerful filtration to clean your water. It removes 70 harmful substances including lead and microplastics. Each filter lasts up to 100 gallons or 3 months.
The Mineral Core Technology makes your water taste fresh and crisp. PUR has been the #1 selling brand in faucet filters for over 35 years. You get certified quality and safer drinking water for your family.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for health-conscious families who want cleaner, safer water free from lead and microplastics. It’s also ideal for current PUR system owners looking for genuine replacement filters that provide refreshing mineral water for up to six months.
Ready to Purchase?
2. Water Pitcher Replacement Filter Compatible with Clearly Filtered Water Filter Pitcher, 100-Gallon Long-Life, BPA Free, 2 Pack
Transform your drinking water with our Water Pitcher Replacement Filter. Designed specifically for the Clearly Filtered Water Pitcher, these filters ensure your water is free from pollutants and tastes fresh.
Each filter removes 365+ contaminants, including chlorine, lead, and mercury. Enjoy peace of mind with our BPA-free filters that prioritize your health without sacrificing quality.
Replace your filter with ease. Each pack comes with 2 filters for extra value. Clean, purified water is just a change away!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This water filter is perfect for families and health-conscious people who want clean, safe drinking water without harmful contaminants. It’s also ideal for busy households looking for an easy, affordable way to maintain their water filtration system.
Ready to Purchase?
3. PUR Faucet Mount Replacement Filter 2-Pack, Genuine PUR Filter, 2-in-1 Powerful Filtration, Includes Lead Removal, 6-Month Value, White (RF33752)
The PUR Faucet Mount Replacement Filter 2-Pack gives you clean, safe drinking water for six months. These genuine PUR filters are certified to work with your PUR or Beautiful by PUR system.
Enjoy 2-in-1 powerful filtration that reduces 70 harmful substances including lead and microplastics. Each filter lasts up to 100 gallons or three months of regular use.
Installation is easy and tool-free. PUR is the #1 selling brand in faucet filtration. Trust 35 years of water filtration expertise.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The PUR Faucet Mount Replacement Filter 2-Pack is perfect for anyone who wants cleaner and safer drinking water right from their tap. Those who prioritize their health and family’s safety will love how easy it is to install and replace. Enjoy refreshing, filtered water without any hassle!
Ready to Purchase?
4. Hamilton Beach AquaFusion CleanGuard 100 Gallon Activated Carbon Block Replacement Filter, White Water Filtration System
The Hamilton Beach AquaFusion CleanGuard filter reduces 70+ contaminants from your water. It provides superior filtration and fresh taste for your family.
One filter replaces 750 bottles of water. This eco-friendly choice saves money too. The filter lasts 2.5X longer than others.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This filter is perfect for families who want clean water without buying plastic bottles. It’s also great for busy people who want to save money and help the environment.
Ready to Purchase?
5. AQUA CREST Faucet Water Filter, Replacement for Brita® Filter, Brita® 36311 On Tap Water Filtration System, FR-200, FF-100, 100 Gallons, Chrome (2 Packs)
The AQUA CREST Faucet Water Filter provides clean water for up to 4 months or 100 gallons. It uses coconut carbon block technology for efficient purification. Installation is quick and requires no tools.
This filter is compatible with various Brita faucet systems. It ensures a stronger water flow and fast filtration.
The filter offers great value without compromising on quality. It is a cost-effective solution for better water.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The AQUA CREST Faucet Water Filter is perfect for families or individuals who want quick and easy access to clean drinking water. It is designed for anyone looking to replace Brita filters without tools and is ideal for those who need a stronger water flow and efficient filtration. If you care about purifying water and saving money, this filter fits your needs.
Ready to Purchase?
6. [Original] Waterdrop Magnesium Replacement Filters for All Waterdrop Pitcher and Dispenser, Reduces Chlorine, Odors, Improved Coffee Taste, Last Up to 2 Months or 100 Gallons (3 Packs)
The Waterdrop Magnesium Replacement Filters fit all Waterdrop pitchers and dispensers. They reduce chlorine, odors, and impurities. Each filter lasts for 2 months or 100 gallons.
The magnesium resin improves hydration and flavor. It’s easy to replace in just 3 seconds.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This product is perfect for families who want to enjoy clean, delicious water without chlorine or odors. It’s also ideal for coffee lovers and those who want to improve their hydration and health. With easy replacement and great compatibility, any Waterdrop user will love this filter!
Ready to Purchase?
7. Brita Faucet Mount Water Filter for Sink, Removes 99% of Lead, Elite Filtration System, Includes 2 Replacement Filters, White
The Brita Faucet Mount Water Filter turns your tap water into clean, great-tasting water. It removes 99% of lead and other bad stuff like chlorine and particles. The filter comes with 2 replacement filters and fits most standard faucets.
Each filter lasts about 4 months or 100 gallons of water. You can save money and replace up to 1,800 plastic water bottles per year.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Brita Faucet Mount Water Filter is perfect for families and health-conscious individuals who want clean, great-tasting water straight from their kitchen tap. It’s ideal for people who care about reducing plastic waste while saving money on bottled water, and for those who want an easy-to-use filtration system that removes 99% of lead and other harmful contaminants from their drinking water.
Ready to Purchase?
8. Fil-Fresh 3-Pack Water Filter Replacement for Brita Faucet Filtration System, NSF Certified to Reduce Chlorine, BPA-Free, Lasts 4-Months or 100 Gallons, Chrome
The Fil-Fresh 3-Pack Water Filter fits all Brita faucet filtration systems. It’s designed for simple, reliable performance. No compatibility issues to worry about.
The activated carbon and ion exchange resin work together to reduce 99% of impurities, like chlorine, rust, and sediment. Your water tastes fresh and clean.
Replacing the filter is easy and quick. No tools needed. Simply click in the new filter and enjoy crisp, clean water daily.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Fil-Fresh 3-Pack Water Filter Replacement is perfect for families and individuals who want cleaner, better-tasting water without breaking the bank. If you love crisp water free from unpleasant odors and aftertaste, this filter will fit perfectly into your Brita faucet system and keep your water fresh for up to 4 months or 100 gallons. Enjoy effortless maintenance and a hassle-free experience, all while saving on bottled water costs!
Ready to Purchase?
9. [Original] Waterdrop Magnesium Replacement Filters for All Waterdrop Pitcher and Dispenser, Reduces Chlorine, Odors, Improved Coffee Taste, Last Up to 2 Months or 100 Gallons (1 Pack)
This Waterdrop filter fits all Waterdrop pitchers and dispensers. It adds magnesium to make your water taste better and be healthier.
The 6-stage filter removes chlorine and bad smells. You can save lots of money and reduce plastic waste with each filter.
Changing the filter is very easy. No tools are needed. You get clean water in just seconds.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This filter is great for homes that want clean water. It’s good for all who use Waterdrop pitchers.
Ready to Purchase?
10. Waterdrop Faucet Water Filter, Replacement for Brita® Filter, 36311 On Tap Water Filtration System, Brita® Replacement Filters, 4-Months or 100 Gallons White (2 Packs)
The Waterdrop Faucet Water Filter gives you clean, great-tasting water right from your tap. This replacement filter works with Brita systems and uses coconut carbon to remove bad stuff from your water.
The filter removes chlorine, rust, and heavy metals from your water. You get fast water flow without any waiting. It makes your water taste and smell better too.
Each filter lasts 4 months or filters 100 gallons of water. You can use the clean water for drinking, cooking, or making ice. This 2-pack gives you 8 months of filtered water total.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Waterdrop Faucet Water Filter is perfect for anyone who wants clean and tasty water at home. Whether you’re a coffee lover, an avid cook, or just someone who wants refreshing water to drink, this filter meets all your needs. Enjoy great water without the hassle!
Ready to Purchase?
Buying Guide
Choosing the right 100-gallon replacement filter can make a big difference in your drinking water quality. With so many options available, knowing what to look for is essential.
After using several filters over the years, I learned that not all filters are created equal. Some brands deliver fantastic tasting water while others fall flat. Here’s what to consider when buying your next filter:
-
Filter Type: Decide between faucet-mounted and pitcher filters. Faucet-mounted filters are convenient and easy to use, while pitchers offer portability but take longer to filter water.
-
Contaminants Removed: Check what substances the filter can remove. Look for filters that eliminate chlorine, lead, and microplastics for the best quality water.
-
Filter Lifespan: Ensure that the filter lasts for 100 gallons or a suitable replacement period. Longer-lasting filters mean less hassle and more savings over time.
-
Ease of Installation: Consider how simple it is to install the filter. Look for models that don’t require tools or special skills.
-
Brand Reputation: Trust brands known for quality and reliability. Research customer reviews to see how well the filter performs in real-life situations.
-
Price: Compare prices while keeping quality in mind. Higher-priced filters may offer better performance or longer-lasting advantages.
-
BPA-Free Materials: Ensure the filter is made from BPA-free materials. This is especially important for health, as you want safe drinking water.
-
Taste Improvement: Consider filters that enhance the taste of water. Some filters include mineral-enhancing technology that can improve flavor.
By keeping these factors in mind, you can choose the best 100-gallon replacement filter that suits your needs. Enjoy clean and refreshing water!