Big Blue 20" Filters

CFS 20 x 4.5 inch water filter cartridges at 5 micron for housings that take AP810-2. Choose the media for the job: carbon block for chlorine taste...

CFS pleated sediment water filter cartridges, 5 micron, in a 2 pack that includes 2 O-rings. Polypropylene microfiber pleats provide high dirt hold...

Carbon water filter cartridge from CFS, compatible with C2-02, IHS12-D4, and IHS22-D4. This 10 micron whole house cartridge reduces bad taste and o...

Dual gradient sediment cartridge from CFS, a direct replacement for DGD-5005-20 (sold as 155358-43) in the largest standard cartridge size made. Av...

Big Blue spun polypropylene sediment filter cartridges from CFS, a replacement for DGD-5005-20 and SDC-45-2005. Four separate layers of micron filt...

Coconut shell carbon block cartridge from CFS for whole house and UV treatment systems, sized as a direct replacement for the C2-02 carbon block. S...

Coconut shell carbon block cartridges from CFS for whole house and UV treatment systems, sized as a direct replacement for the C2-02 carbon block. ...

This CFS carbon whole house water filter cartridge is a 20" x 4.5" replacement that helps reduce bad taste and odor from your household water suppl...

Spun wound polypropylene filter cartridges compatible with DGD-5005-20 and SDC-45-2005 models. The 5 micron, 20" x 4.5" cartridges reduce sediment ...

Whole house dual gradient density sediment filters, 20" x 4.5", with a 25 micron outer layer and 1 micron inner layer. The two gradient layers prov...

5 micron spun wound polypropylene sediment filter, 20" x 4.5", for whole house filtration. Reduces sand, silt, rust and dirt to protect plumbing, f...

Pleated cellulose polyester filter cartridges for whole house sediment filtration, sized 20" x 4.5". The pleated design adds surface area for longe...

CFS pleated, cleanable sediment filter compatible with Hydro-Logic HLBBPSF 22010, in the 4.5" x 20" size. Reduces dirt, sand, and silt, and washing...

CFS spun wound polypropylene water filter cartridges compatible with DGD-5005-20 and SDC-45-2005. Big Blue 20" x 4.5" size for whole house sediment...

CFS dual gradient density spun polypropylene sediment cartridges, 20" x 4.5". A 25 micron outer layer captures coarse sediment while a 1 micron inn...

CFS coconut shell carbon block cartridges, 20" x 4.5", 10 micron – a direct replacement for the C2-02 carbon block in whole house and UV treatment ...

Melt blown sediment water filter cartridges compatible with Watts FPMB-BB5-20 models, in a 2-pack. Reduces sand, dirt, silt, and rust from drinking...

Carbon water filter cartridge compatible with RFC20-BB models, sized 20" x 4-1/2". Reduces bad taste and odor along with sand, dirt, silt, and rust...

Pleated sediment cartridge in the largest standard cartridge size made, 20" x 4.5". A direct replacement for AP810-2, ECP5-20BB, and PS-45200-05. H...

Pleated cellulose polyester filter cartridges compatible with ECP5-20BB, in a 6-pack. Reduces sand, dirt, silt, rust, and scale particles in reside...

Dual gradient density spun polypropylene sediment cartridges, 20" x 4.5", in a 10-pack. Two gradient layers work in sequence for higher dirt-loadin...

CFS sediment water filter cartridges made to fit DGD-2501-20 models. These 20" x 4.5" cartridges reduce sand, dirt, silt, and rust with high dirt h...

CFS whole house replacement filter cartridge made to fit Watts MAXETW-FF20 C-MAX. It reduces chlorine taste and odor and captures sediment as small...

CFS dual gradient depth sediment filter cartridges for 20" x 4.5" whole house housings, including 20" Big Blue. The dual-layer design combines a 75...

Whole house granular activated coconut shell carbon (GAC) filters with a radial flow design that provides excellent chlorine reduction with minimal...

Carbon block water filter cartridge compatible with EPM-20BB models. Reduces bad taste and odor in whole house replacement applications. 1 cartridg...

10-Pack Big Blue Melt Blown Sediment Water Filter – 4.5" x 20", 50 MicronKeep your whole house or commercial water system running clean with this 1...