Looking for the best carbon block water filters? I discovered that installing a carbon block filter gave my kitchen water a fresh, pure taste that I still rave about.
Clean water is key for a healthy life. Carbon block water filters are a great way to get it. They make your water taste and smell much better.
I once lived in a place with bad tap water. After I used a carbon filter, I noticed the difference right away. Now, I always recommend them to friends and family.
This guide will help you find the best carbon block water filters. You’ll learn what to look for and how to choose the right one. Get ready for fresh, clean water!
List of Top 10 Carbon Block Water Filters
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
Membrane Solutions 5 Micron 2.5″ x 10″ CTO Carbon Block Water Filter Cartridge Replacement for Whole House Filtration Systems, Compatible with WFPFC8002, WFPFC9001, FXWTC, WHKF-WHWC, 6-Pack |
This carbon block filter is perfect for homeowners who want clean, tasty water in their whole house filtration systems, reverse osmosis setups, or under-sink filters. It’s ideal for families dealing with chlorine in tap water and needing to protect appliances like ice makers or coffee makers. |
|
![]() |
1 Micron 2.5″ x 10″ Whole House CTO Carbon Water Filter Cartridge Replacement for Under Sink Water Filter System, Dupont WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, WHCF-WHWC, AMZN-SCWH-5, 4Pack |
This water filter is perfect for families who want cleaner and better-tasting water. It’s also great for anyone who wants to remove chlorine and other impurities from their water. |
|
![]() |
Aquaboon 5 Micron 10 x 2.5 Carbon Block Water Filter Cartridge CTO Whole House Water Filter Replacement Compatible with WHKF-WHWC, FXWTC, 6-PACK |
This water filter cartridge is perfect for homeowners who want clean, fresh water in every tap of their home. It’s also ideal for families using well water or dealing with bad odors and chemicals in their drinking water. |
|
![]() |
ICEPURE 1 Micron 2.5″ x 10″ Whole House CTO Carbon Sediment Water Filter Cartridge Compatible with DuPont WFPFC8002, WFPFC9001, SCWH-5, WHCF-WHWC, WHCF-WHWC, FXWTC, CBC-10, RO Unit, Pack of 4 |
This ICEPURE water filter is perfect for families who want cleaner, better-tasting water. It’s also great for anyone with a whole house filtration system. |
|
![]() |
Geekpure 20 Inch Carbon Block Water Filter Reduce Chlorine Taste Odors for Whole House Filtration- 4.5 Inch x 20 Inch -5 Micron |
This Geekpure water filter is perfect for anyone who wants clean water throughout their home. It is great for families and businesses alike. |
|
![]() |
AO Smith 2.5″x10″ 5 Micron Carbon Block Sediment Water Filter Replacement Cartridge – 2 Pack – For Whole House Filtration Systems – AO-WH-PRE-RC2 |
Are you tired of dirty water? This filter is just what you need! It’s perfect for homes with one to four people who want cleaner water from every tap. |
|
![]() |
Aquaboon 5 Micron 10×4.5 Carbon Block Water Filters Whole House CTO Water Filter Replacement Cartridge Compatible with FXHTC, CB-BB-10, EP-BB, 2-Pack |
This Aquaboon water filter is perfect for anyone who wants cleaner and better-tasting water. It’s great for families and anyone who wants to improve their water quality at home. |
|
![]() |
Aquaboon Premium 1 Micron Carbon Block Water Filter 10″ x 2.5″ – 6-Pack CTO Whole House Filters for Countertop & Under Sink Systems, Compatible with FXWTC |
This Aquaboon Premium 1 Micron Carbon Block Water Filter is perfect for homeowners, families, and office workers who want clean, safe drinking water without the cost and waste of bottled water. It’s also ideal for RV owners, campers, and anyone on a boat needing reliable filtration for everyday use. |
|
![]() |
SimPure 5 Micron 10 x 4.5 Inch Whole House Carbon Water Filter | CTO Activated Coconut Carbon Replacement Cartridge | Fits DB10P, DB10C-2, GE GXWH40L, GXWH35F, BB10, FXHTC, FC15B (2Pack) |
This whole house carbon filter is perfect for homeowners who want to remove chlorine, bad tastes, and odors from their tap water to protect their appliances and improve daily water quality. It’s also ideal for people with water softeners or those using well water or rainwater who need a reliable replacement cartridge. |
|
![]() |
Aquaboon 4,5 x 20 inch Carbon Filter Cartridge – 5 Micron Coconut Shell CTO Filter – Whole House Well Water Filtration – Matches DB20P, CTO20BB, Pentek FLOPLUS-20BB, 155312-43, CBC-20BB (2 Pack) |
This water filter is perfect for homeowners who want clean, pure water from their well systems. It’s ideal for families needing a simple replacement that fits standard housings and keeps water tasting great for drinking, cooking, and bathing. |
Detailed Reviews
Discover the best carbon block water filters with our expert guide. We’ve analyzed the top 10 filters, focusing on performance and value. Find the perfect filter to ensure clean, fresh water for your home.
1. Membrane Solutions 5 Micron 2.5″ x 10″ CTO Carbon Block Water Filter Cartridge Replacement for Whole House Filtration Systems, Compatible with WFPFC8002, WFPFC9001, FXWTC, WHKF-WHWC, 6-Pack

Membrane Solutions makes a 5 Micron carbon filter that fits many water systems. This cartridge is 2.5″ x 10″ and CTO type for easy use. It works with RO systems, under-sink filters, and whole-house setups.
The filter uses high-quality coconut carbon that is NSF tested. It removes sediment, chlorine, and bad smells for pure water.
Drink great water from your tap or fridge every time. Last up to 15,000 gallons and change every 3-6 months. It installs fast in a 6-pack for savings.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This carbon block filter is perfect for homeowners who want clean, tasty water in their whole house filtration systems, reverse osmosis setups, or under-sink filters. It’s ideal for families dealing with chlorine in tap water and needing to protect appliances like ice makers or coffee makers.
Ready to Purchase?
2. 1 Micron 2.5″ x 10″ Whole House CTO Carbon Water Filter Cartridge Replacement for Under Sink Water Filter System, Dupont WFPFC8002, WFPFC9001, FXWTC, SCWH-5, WHEF-WHWC, WHCF-WHWC, AMZN-SCWH-5, 4Pack

High-quality filtration starts here with our 1 Micron 2.5″ x 10″ Whole House CTO Carbon Water Filter Cartridge. This carbon block removes 99% of chlorine, odors, and dirt for better-tasting water. It lasts up to 13,000 gallons, saving you money on replacements.
Replace it every 3 to 6 months for best results. It fits many systems, like Dupont WFPFC8002 and Whirlpool WHCF-WHWC.
Choose PUREPLUS for trusted filters made with 20 years of experience. Our products meet strict standards, ensuring clean water for your family. Trust us to deliver advanced filtration you can count on.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This water filter is perfect for families who want cleaner and better-tasting water. It’s also great for anyone who wants to remove chlorine and other impurities from their water.
Ready to Purchase?
3. Aquaboon 5 Micron 10 x 2.5 Carbon Block Water Filter Cartridge CTO Whole House Water Filter Replacement Compatible with WHKF-WHWC, FXWTC, 6-PACK

Aquaboon delivers ultimate purity with activated carbon from coconut shells. This 10 x 2.5 water filter removes chlorine, chemicals, and bad odors for fresh water. It fits standard 10-inch housings in whole home setups.
Long-lasting and versatile, it works in RO systems and countertop units. The 5 micron design lasts up to 6 months.
Easy to install, it eliminates up to 99% of chlorine and odors. Sustainable and efficient, it protects well water from impurities.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This water filter cartridge is perfect for homeowners who want clean, fresh water in every tap of their home. It’s also ideal for families using well water or dealing with bad odors and chemicals in their drinking water.
Ready to Purchase?
4. ICEPURE 1 Micron 2.5″ x 10″ Whole House CTO Carbon Sediment Water Filter Cartridge Compatible with DuPont WFPFC8002, WFPFC9001, SCWH-5, WHCF-WHWC, WHCF-WHWC, FXWTC, CBC-10, RO Unit, Pack of 4

Get ready for cleaner, better-tasting water! The ICEPURE water filter makes a big difference. Enjoy water that’s good for you and your family.
This certified filter reduces chlorine, bad tastes, and odors. It uses innovative technology for efficient filtration.
It fits most standard 10″ systems and lasts up to 6 months. Trust ICEPURE for high standards and quality water!
| Pros | Cons |
|---|---|
|
|
Perfect For:
This ICEPURE water filter is perfect for families who want cleaner, better-tasting water. It’s also great for anyone with a whole house filtration system.
Ready to Purchase?
5. Geekpure 20 Inch Carbon Block Water Filter Reduce Chlorine Taste Odors for Whole House Filtration- 4.5 Inch x 20 Inch -5 Micron

Tired of bad-tasting water? The Geekpure 20 Inch Carbon Block Water Filter is your solution! It removes chlorine, odors, and particles from your entire home’s water supply. Get ready for clean, refreshing water from every tap.
This high-quality filter is made with coconut activated carbon. It’s a 5-micron filter, perfect for whole-house filtration. It fits any standard 20-inch filter housing.
Enjoy pure water for 6-12 months. A pack contains 4 filters.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Geekpure water filter is perfect for anyone who wants clean water throughout their home. It is great for families and businesses alike.
Ready to Purchase?
6. AO Smith 2.5″x10″ 5 Micron Carbon Block Sediment Water Filter Replacement Cartridge – 2 Pack – For Whole House Filtration Systems – AO-WH-PRE-RC2

Keep your water clean with the AO Smith Sediment Filter. It fits whole house systems like AO-WH-PREV or AO-WH-PRE. This pack gives you two filters to start fresh.
It blocks sediment as small as 5 microns. That means dirt smaller than you can see is gone from every tap. Your pipes and appliances last longer.
Swap it easy every six months—no tools or help. Great for homes with one to four people. Order now and drink pure water daily.
| Pros | Cons |
|---|---|
|
|
Perfect For:
Are you tired of dirty water? This filter is just what you need! It’s perfect for homes with one to four people who want cleaner water from every tap.
Ready to Purchase?
7. Aquaboon 5 Micron 10×4.5 Carbon Block Water Filters Whole House CTO Water Filter Replacement Cartridge Compatible with FXHTC, CB-BB-10, EP-BB, 2-Pack

Aquaboon 5 Micron 10×4.5 Carbon Block Water Filters remove chlorine, chemicals, and odors from your water. These whole house CTO filters work for many systems and fit easily into 10-inch housings. They last up to 6 months based on your water use.
The coconut shell activated carbon makes the water taste clean and fresh. These water filter cartridges are a good choice for homes and businesses seeking simple upgrades.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Aquaboon water filter is perfect for anyone who wants cleaner and better-tasting water. It’s great for families and anyone who wants to improve their water quality at home.
Ready to Purchase?
8. Aquaboon Premium 1 Micron Carbon Block Water Filter 10″ x 2.5″ – 6-Pack CTO Whole House Filters for Countertop & Under Sink Systems, Compatible with FXWTC

Aquaboon Premium filters pure water in your home. Each one works for 4-6 months of fresh drink.
These filters are NSF-certified and made from coconut carbon. They cut out 95% of chlorine and bad smells. You get clear, tasty water that feels good.
They fit many systems like your sink or house. Just swap them in with ease. Save money and help the earth by replacing plastic bottles. Enjoy up to 750 gallons of healthy water.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Aquaboon Premium 1 Micron Carbon Block Water Filter is perfect for homeowners, families, and office workers who want clean, safe drinking water without the cost and waste of bottled water. It’s also ideal for RV owners, campers, and anyone on a boat needing reliable filtration for everyday use.
Ready to Purchase?
9. SimPure 5 Micron 10 x 4.5 Inch Whole House Carbon Water Filter | CTO Activated Coconut Carbon Replacement Cartridge | Fits DB10P, DB10C-2, GE GXWH40L, GXWH35F, BB10, FXHTC, FC15B (2Pack)

This is the SimPure 5 Micron Whole House Carbon Water Filter. It makes your water cleaner and tastes better.
It removes bad tastes and smells. The filter can last for up to 6 months. You can use it with many different water systems.
This filter is made with great materials. It can filter up to 15,000 gallons of water. Support is available if you need it.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This whole house carbon filter is perfect for homeowners who want to remove chlorine, bad tastes, and odors from their tap water to protect their appliances and improve daily water quality. It’s also ideal for people with water softeners or those using well water or rainwater who need a reliable replacement cartridge.
Ready to Purchase?
10. Aquaboon 4,5 x 20 inch Carbon Filter Cartridge – 5 Micron Coconut Shell CTO Filter – Whole House Well Water Filtration – Matches DB20P, CTO20BB, Pentek FLOPLUS-20BB, 155312-43, CBC-20BB (2 Pack)

Aquaboon carbon filter cleans your home’s water like never before. It grabs bad stuff like chlorine and chemicals to keep every sip pure. Enjoy fresh tasting water for drinking, cooking, and bathing all day.
This filter cartridge is easy to swap out once or twice a year. It lasts long and protects your water system too. Get clean water without any hassle.
Upgrade to this 20 x 4.5 inch coconut shell filter now. It fits many standard whole house systems easily.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This water filter is perfect for homeowners who want clean, pure water from their well systems. It’s ideal for families needing a simple replacement that fits standard housings and keeps water tasting great for drinking, cooking, and bathing.
Ready to Purchase?
Buying Guide
Clean water is key to a healthy life. Carbon block water filters make tap water tastier and safer.
I used to live in an area with bad tap water that smelled like chemicals. After switching to a carbon filter, my water tasted fresh and my family drank more from the tap.
Now here are factors to consider when buying carbon block water filters.
– Micron Rating: This number shows how fine the filter is. A 5 micron filter catches larger particles like dust. A 1 micron filter grabs smaller stuff for better clarity.
– Filter Size: Size tells how the filter fits in systems. Common sizes are 2.5 inches by 10 inches for sinks. Larger ones like 4.5 inches by 20 inches work for whole houses.
– Capacity and Lifespan: This is how much water it filters before wearing out. Top filters last 6 months or up to 15,000 gallons. Check your home’s use to pick the right one.
– Material: Most use coconut carbon for strong filtering. This comes from natural sources. It makes water pure and fresh.
– Compatibility: The filter must fit your water system. Look for ones that match brands like DuPont or Whirlpool. This saves time on setup.
– Certifications: Pick filters tested by groups like NSF. This means they meet safety rules. It gives peace of mind for clean water.
– What It Filters: Good filters remove chlorine, odors, and dirt. They do not take out minerals in water. Choose based on your main water issues.
– Pack Quantity: Buy in packs for easy storage and savings. Packs of 4 or 6 let you swap filters fast. This keeps your water fresh.