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Gac carbon water filter: efficient tight packed carbon granules give you the efficient high capacity filtration you need in your whole home water filtration system.
Unlike reverse osmosis systems, whole house systems will NOT reduce Total Dissolved Solids TDS. Please be informed - whole house systems are installed at the main water supply line for the purpose of treating all incoming water in your home or business. Easy to replace water filter cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running. If you are searching for a filter that removes TDS, we recommend our Express Water Reverse Osmosis systems.


Vacuum heated organic coconut shell carbon provides an added layer of filtration with the freshest taste. If you are searching for a filter that reduces TDS, see our Express Water Reverse Osmosis systems. Unlike reverse osmosis systems, whole house systems will NOT reduce Total Dissolved Solids TDS.
Carbon water filter: efficient tight packed carbon granules give you the efficient high capacity filtration you need in your whole home water filtration system. Easy to replace water filter cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running. On demand support: support from experts who can answer any of your questions about your replacement water filters.

Auto shut-off: ap-dws1000 water filter system designed with built-in automatic shut-off meter that automatically shuts off the system after 625 gallons 2, 366 liters as a reminder to change cartridges.


If you are interested in a filter that removes TDS, these whole home water filters don’t reduce Total Dissolved Solids TDS, consider our iSpring RO systems. The 20” x 4. 5” whole house water filter replacement cartridges have a minimum impact on water flow up to 15 GPM and require minimum maintenance.
5” whole house water filter cartridges, including brand name models. Unlike an ro membrane, and instead keep healthy minerals in your water. S. We are happy to help! Please note the whole house water filter replacement cartridges are individually wrapped to ensure freshness. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately.
1. Home Master
#ad
White, Home Master CFRFGAC20-20BB Radial Flow GAC 20 Micron Replacement Water Filter
#adHome Master #ad - Typical lifecycle: 100, 000-Gallon or 1 year. Fits home Master Carbon Filter. Feed water temperature: 40 Degree - 100 Degree F. Radial flow design provides excellent chlorine and chemical filtration with minimal pressure drop. Feed water: psi 20 - 100 PSI.More information #ad
Brand | Home Master #ad |
Manufacturer | Home Master #ad |
Height | 4.8 Inches |
Length | 20 inches |
Weight | 0.05 Pounds |
Width | 4.8 inches |
Part Number | CFrfgac20-20BB |
Model | CFrfgac20-20BB |
Warranty | 30 day limited warranty - parts |
More information #ad
2. Home Master
#ad
Home Master CFRFFE-20BB Radial Flow Iron Reducing Replacement Water Filter, White, White, 20x4.5" & CFRFGAC20-20BB Radial Flow GAC 20 Micron Replacement Water Filter
#adHome Master #ad - Product 1: feed water: psi 20 - 100 PSI. Product 2: radial flow design provides excellent chlorine and chemical filtration with minimal pressure drop. Product 1: fits Home Master Iron Filter. Product 1: radial flow design provides excellent iron and manganese filtration with minimal pressure drop.More information #ad
Product 2: feed water: psi 20 - 100 PSI. Product 2: typical lifecycle: 100, 000-Gallon or 1 year. Product 1: lifecycle based upon iron content present. Product 2: fits Home Master Carbon Filter.Brand | Home Master #ad |
More information #ad
3. Pentek
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Pentair Pentek RFC-20BB Big Blue Carbon Water Filter, 25 Micron, 20-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated Carbon GAC Filter, 20" x 4.5"
#adPentek #ad - Nsf international tested and certified for your peace of mind. Unique radical flow design offers low pressure drop, while significantly reducing release of carbon fines commonly associated with GAC cartridges. 100, 000 gallon capacity.More information #ad
Replace every 1 year or when you notice a drop in water pressure or water quality. Reduces sediment and chlorine taste & odor to provide great tasting, clearer water. Fits all 20" pentair pentek big blue or other 20" heavy duty filter housings and can replace any 20" x 4. 5" carbon filter cartridge.Brand | Pentek #ad |
Manufacturer | Pentair Industries #ad |
Height | 20 Inches |
Length | 4.5 Inches |
Weight | 2.5 Pounds |
Width | 4.5 Inches |
Part Number | 155247-43 |
Model | RFC20-BB |
More information #ad
4. Pentek
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20-Inch, Whole House Heavy Duty Granular Activated Carbon GAC Replacement Cartridge, 20" x 4.5", Pentair Pentek GAC-20BB Big Blue Carbon Water Filter
#adPentek #ad - 25, 000 gallon capacity. Replace every six months or when you notice a drop in water pressure or water quality. Nsf international tested and certified for your peace of mind. Post-filter helps reduce carbon fines and other suspended particles from the filtered water.More information #ad
Fits all 20" pentair pentek big blue or other 20" heavy duty housings and can replace any 20" x 4. 5" carbon filter cartridge. Effective reduction of bad taste & odors to provide good general-purpose drinking water.Brand | Pentek #ad |
Manufacturer | Pentair Industries #ad |
Height | 4.57 Inches |
Length | 4.57 Inches |
Weight | 5 Pounds |
Width | 19.58 Inches |
Part Number | 155249-43 |
Model | GAC-20BB |
More information #ad
5. EXPRESS WATER
#ad
Express Water – Whole House Water Filter Set – 3 Stage Water Filtration Replacement Kit – Sediment, Carbon High Capacity Cartridge Filters – 5 Micron Water Filter – 4.5” x 20” inch, Charcoal
#adEXPRESS WATER #ad - Whole house water filter system: reduce harmful impurities from your entire home’s water with Express Water’s 3 Stage Water Filtration System and easy to replace Water Filter Replacement Cartridges. On demand support: support from experts who can answer any of your questions about your replacement water filters. Take care of your home: protect our plants, give healthier water to your pets and extend the life of your dishwasher, laundry machine, and other appliances through proper and efficient 3-stage water filtration.Gac carbon water filter: efficient tight packed carbon granules give you the efficient high capacity filtration you need in your whole home water filtration system.
More information #ad
Catch and reduce the largest impurities in the filter’s outer layers while inner layers catch the finer impurities giving you the longest lasting and effective water filtration system for your home. Long lasting water filtration: the highest quality, long-lasting materials give you up to 100, 000 gallons of water filtration depending on incoming water quality. Unlike reverse osmosis systems, whole house systems will NOT reduce Total Dissolved Solids TDS. Please be informed - whole house systems are installed at the main water supply line for the purpose of treating all incoming water in your home or business. Easy to replace water filter cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running. If you are searching for a filter that removes TDS, we recommend our Express Water Reverse Osmosis systems.
Brand | EXPRESS WATER #ad |
Manufacturer | Express Water #ad |
Height | 4.5 Inches |
Length | 20 Inches |
Weight | 14.5 Pounds |
Width | 4.5 Inches |
Part Number | FLTWH2045CGS1 |
Model | FLTWH2045CGS1 |
More information #ad
6. Pentek
#ad
5, Pentair Pentek EP-20BB Big Blue Carbon Water Filter, 20" x 4.5", 20-Inch, Whole House Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon PAC Filter
#adPentek #ad - High porosity design helps the cartridge from plugging before its adsorption capacity is exhausted. 44, 000 gallon capacity. Greater chlorine taste and odor reduction than competitive 10 carbon blocks.More information #ad
Nsf international tested and certified for your peace of mind. Replace every year or when you notice a drop in water pressure or water quality. Fits all 20" big blue or other heavy duty housings and can replace any 20" x 4. 5" carbon filter cartridge.Brand | Pentek #ad |
Manufacturer | Pentair Industries #ad |
Height | 20 Inches |
Length | 4.63 Inches |
Weight | 5.65 Pounds |
Width | 4.63 Inches |
Part Number | 155583-43 |
Model | EP-20BB |
More information #ad
7. EXPRESS WATER
#ad
KDF High Capacity Cartridge Filters – 5 Micron Water Filter 4.5” x 20” inch, Express Water Whole House Heavy Metal Water Filter Set – 3 Stage Water Filtration Replacement Kit – Sediment, Carbon Block
#adEXPRESS WATER #ad - Whole house water filter system: reduce harmful impurities from your entire home’s water with Express Water’s 3 Stage Water Filtration System and easy to replace Water Filter Replacement Cartridges. Take care of your home: protect our plants, give healthier water to your pets and extend the life of your dishwasher, laundry machine, and other appliances through proper and efficient 3-stage water filtration.Vacuum heated organic coconut shell carbon provides an added layer of filtration with the freshest taste. If you are searching for a filter that reduces TDS, see our Express Water Reverse Osmosis systems. Unlike reverse osmosis systems, whole house systems will NOT reduce Total Dissolved Solids TDS.
More information #ad
Long lasting water filtration: the highest quality, long-lasting materials give you up to 100, 000 gallons of water filtration depending on incoming water quality. Trust express water: choose the best filters for home filtration and make your house a clean water house today! Catch and filter the largest impurities in the filter’s outer layers while inner layers catch the finer impurities giving you the longest lasting and effective water filtration system for your home. Carbon water filter: efficient tight packed carbon granules give you the efficient high capacity filtration you need in your whole home water filtration system. Easy to replace water filter cartridges: All Express Water whole house water filter replacement cartridges are designed for quick and easy replacement to keep your system up and running. On demand support: support from experts who can answer any of your questions about your replacement water filters.
Brand | EXPRESS WATER #ad |
Manufacturer | Express Water #ad |
Height | 20 Inches |
Length | 4.5 Inches |
Weight | 17.5 Pounds |
Width | 4.5 Inches |
Part Number | FLTWH2045CKS1 |
Model | FLTWH2045CKS1 |
More information #ad
8. Aqua-Pure
#ad
Cysts, MTBE, 3M Aqua-Pure Under Sink Replacement Water Filter AP-DW80/90, Chlorine Taste and Odor, Reduces Particulate, For Aqua-Pure AP-DWS1000, Lead, VOCs
#adAqua-Pure #ad - Easy to replace: sanitary quick Change SQC cartridge design helps provide fast and easy cartridge change-outs with minimal effort. Designed for use with 3m aqua-pure under sink water Filter System AP-DWS1000 Carbon-block filtration: Advanced dual stage carbon-block filtration process to help provide cleaner, clearer better tasting drinking water.Auto shut-off: ap-dws1000 water filter system designed with built-in automatic shut-off meter that automatically shuts off the system after 625 gallons 2, 366 liters as a reminder to change cartridges.
More information #ad
Cleaner water: reduces particulate, parasitic protozoan cysts, lead, chlorine taste and odor, volatile organic compounds VOCs and methyl tert-butyl ether MTBE.Brand | Aqua-Pure #ad |
Manufacturer | 3M #ad |
Height | 12 Inches |
Length | 5.3 Inches |
Weight | 3.86 Pounds |
Width | 4 Inches |
Part Number | AP-DW8090 |
Model | 70020002468 |
More information #ad
9. Pentek
#ad
20-Inch, 20" x 4.5", Whole House Modified Epsilon Carbon Block Replacement Cartridge with Bonded Powdered Activated Carbon PAC Filter, 10 Micron, Pentair Pentek EPM-20BB Big Blue Carbon Water Filter
#adPentek #ad - Replace every 6 months or when you notice a drop in water pressure or water quality. Fits all 20" big blue housings and other 20" heavy duty housings and can replace any 20" x 4. 5" carbon water filter cartridge.More information #ad
High porosity design helps plugging, maximizing utilization while maintaining low pressure drop. Nsf international tested and certified for your peace of mind. Economical solution for chlorine, taste & odor reduction, as well as sediment filtration. 30, 000 gallon capacity.Brand | Pentek #ad |
Manufacturer | Pentair Industries #ad |
Height | 5 Inches |
Length | 5 Inches |
Weight | 5 Pounds |
Width | 25 Inches |
Part Number | 155783-43 |
Model | EPM-20BB |
More information #ad
10. iSpring
#ad
White Pack of 1, iSpring F3WGB32BM 4.5” x 20” 3-Stage Whole House Water Filter Set Replacement Pack with Sediment, CTO Carbon Block, and Iron & Manganese Reducing Cartridges Fits WGB32BM
#adiSpring #ad - Local support team. Both water filters are tested by an independent third-party to meet NSF/ANSI standards. Please unwrap before use. For well/pond water with very high iron/manganese please check out iSpring WCFM500K or WCFM400K whole house water filters.If you are interested in a filter that removes TDS, these whole home water filters don’t reduce Total Dissolved Solids TDS, consider our iSpring RO systems. The 20” x 4. 5” whole house water filter replacement cartridges have a minimum impact on water flow up to 15 GPM and require minimum maintenance.
More information #ad
The whole house water filter set also removes sediment, rust, and More Our iron water filter FM25B is specially designed for iron & manganese removal, and various other contaminants. Whole house filter with standard size our water filter set fits standard housings that require 20” x 4. 5” whole house water filter cartridges, including brand name models. Unlike an ro membrane, and instead keep healthy minerals in your water. S. We are happy to help! Please note the whole house water filter replacement cartridges are individually wrapped to ensure freshness. We stand behind our products and if you encounter any problems with any of our products please reach out to us immediately.
Brand | iSpring #ad |
Manufacturer | iSpring Water Systems #ad |
Height | 4.5 Inches |
Length | 20 Inches |
Weight | 16 Pounds |
Width | 10 Inches |
Part Number | F3WGB32BM |
Model | F3WGB32BM |
Warranty | 30 days |
More information #ad