Pentair Pentek GAC-20BB Big Blue Carbon Water Filter, 20-Inch, Whole House Heavy Duty Granular Activated Carbon (GAC) Replacement Cartridge, 20" x 4.5"
Brand: Pentek
Color: Blue
EFFECTIVE REDUCTION OF BAD TASTE & ODORS to provide good general-purpose drinking water
FITS ALL 20" Pentair Pentek Big Blue or other 20" heavy duty housings and can replace any 20" x 4.5" carbon filter cartridge
POST-FILTER HELPS REDUCE CARBON FINES and other suspended particles from the filtered water
NSF INTERNATIONAL tested and certified for your peace of mind
25,000 GALLON CAPACITY. Replace every six months or when you notice a drop in water pressure or water quality