HEAVY DUTY FILTER HOUSING ideal for large-capacity, high flow applications CLEAR SUMP HOUSING offers on-site examination of flow, cartridge life and performance PRESSURE RELIEF BUTTON for easy cartridge replacement COMPATIBLE WITH ANY 20" x 4.5" Big ...
Large filter housing for high-flow and heavy sediment applications
Reinforced polypropylene sump for strength and chemical resistance
Use with a 20" x 4-1/2" filter cartridge (sold separately)