Pentek - GAC-20BB - 20" x 4.5" Granular Activated Carbon Filter Soften Hard Water 2159 If you see black specks

If you see black specks after installing a new GAC cartridge

000 gallons (based on manufacturer testing) Flow Rate 4

Factory part 36002018 ensures correct wattage

Standard Replacement

5 microns from potable drinking water

Pentek - GAC-20BB - 20" x 4.5" Granular Activated Carbon Filter Soften Hard Water 2159 If you see black specksPentek Professional Series GAC 20BB 20" x 4. 5" Granular Activated Carbon Filter High capacity carbon filtration for whole house, commercial, and well water systems requiring chlorine, taste, and odor reduction with minimal pressure drop 25,000 gallon capacity 20 micron post filter 4 GPM flow rate Anti channeling design The Pentek GAC 20BB uses a full length granular activated carbon bed with forced contact flow path to maximize chlorine removal and