Pentek - CRF20-BB - 20" x 4.5" Radial Flow Carbon Block 20 inch x 2.5 inch Filters2689 The Unicel K-40730-B fits standard

The Unicel K-40730-B fits standard 20-inch Big Blue and Big White filter housings

not just reassurance

High-purity gel-type sulfonate polystyrene cation resin supplied in sodium form as uniform spherical beads

keeping filtration performance at 100% without interruption

Pentek - CRF20-BB - 20" x 4.5" Radial Flow Carbon Block 20 inch x 2.5 inch Filters2689 The Unicel K-40730-B fits standardPentek High Capacity Radial Flow Technology CRF20 BB 20" x 4. 5" Radial Flow Carbon Block Filter Engineered for high flow commercial and whole house applications where chlorine, chloramine, and sediment reduction can't compromise flow rate 200,000 gallon capacity 25 micron filtration Radial flow design for low pressure drop Advanced granular activated carbon The Pentek CRF20 BB uses a radial flow configuration that allows water to flow from the