Pentek - GAC-20BB - 20" x 4.5" Granular Activated Carbon Filter Choose:Two Pack 5" FNPT ports are compatible

5" FNPT ports are compatible with standard schedule 40 PVC

Ideal as a carbon stage in multi-stage systems or as a standalone drinking water filter

Commonly used in commercial applications

and replacing it before failure saves cleanup time

Filter Media & Construction

Pentek - GAC-20BB - 20" x 4.5" Granular Activated Carbon Filter Choose:Two Pack 5" FNPT ports are compatiblePentek 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