Pentek - C1-20BB - 20" x 4.5" Carbon Impregnated Cellulose 5 Micron Filter Blue & White (A1N00A-4T) Flexflo A-100N Series Pump FLEXFLO; 2.3 GPD; 3/8"; 115V Solid connection that resists clogs

Solid connection that resists clogs and reduces noise

Low-flow applications or point-of-entry filtration for households under 3 people

The clear acrylic body allows visual confirmation of water clarity while the precision scale tracks flow rates for system diagnostics

Standard pipe thread adapters for straightforward installation in common plumbing configurations

Pentek - C1-20BB - 20" x 4.5" Carbon Impregnated Cellulose 5 Micron Filter Blue & White (A1N00A-4T) Flexflo A-100N Series Pump FLEXFLO; 2.3 GPD; 3/8"; 115V Solid connection that resists clogsThe Pentek C1 20BB combines carbon impregnated cellulose filtration with sediment removal in a single 20" x 4. 5" cartridge rated at 5 micron nominal. This dual purpose filter reduces chlorine taste and odor while capturing fine particulate, making it an economical choice for whole house, well water, and commercial applications. SPECIFICATIONS Pentek C1 20BB Technical Details Model Number C1 20BB Dimensions 20" x 4. 5" Micron Rating 5 micron (nominal)