Aquaflo Platinum Big Blue Filter Housing 20BV1 with polyphosphate filtration, designed for whole-house or commercial water filtration. Housing measures 4.5" W x 20" L and accepts standard Big Blue filter cartridges.Features a double O-ring design for improved sealing, a built-in pressure relief valve, 1" pipe connection, 100 PSI max pressure rating, and 100°F max temperature. Includes mounting bracket and sump wrench. Item is in good condition and comes in original box.
