BV1250 Backwater Valve with Neoprene Seat Home » Products » Specification Drainage Products » Vertical Backwater Valves » BV1250 Backwater Valve with Neoprene Seat MIFAB® Series BV1250 backwater valve with neoprene rubber seat. Specification Sheet Catalog Catalog List Pricing Current Catalog: MPB-2022 Return to Products