Check Valve Assembly, Outlet Back Catalog number: 11-1599 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10694 Plunger Seal Price on request CTS-10475 Sapphire Plunger Kit Price on request 11-3832 Wash Seal, PE, 1220, 1260, 1290 Price on request