Big Blue 20" Filters

20" x 4.5" high-capacity cartridges — the longest service life of any standard whole house filter.

CFS Pleated Sediment Filter – 6 Pack – 4.5" x 20" – Fits Hydro-Logic HLBBPSF 22010

CFS Pleated Sediment Filter – 6 Pack – 4.5" x 20" – Fits Hydro-Logic HLBBPSF 22010

Replaces Hydro-Logic HLBBPSF 22010 In stock
$79.52

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...

View full details
$79.52
CFS Carbon Block Cartridge – 2 Pack – 10 Micron – 20" x 4.5" – Fits C2-02

CFS Carbon Block Cartridge – 2 Pack – 10 Micron – 20" x 4.5" – Fits C2-02

Replaces C2-02 In stock
$65.99

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 ...

View full details
$65.99
Compatible to ECP20-20BB 255495-43 Pleated Cellulose Polyester Filter Cartridge, 20" x 4-1/2"

Compatible to ECP20-20BB 255495-43 Pleated Cellulose Polyester Filter Cartridge, 20" x 4-1/2"

Replaces 255495-43 In stock
from $24.71

CFS – 1 Pack Pleated Cellulose Polyester Water Filter Cartridges Compatible with ECP20-20BB, 255495-43 Models – Whole House Replacement Filter Car...

View full details
from $24.71