Check Valve Assembly, Outlet Back Catalog number: 11-1599 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-A145 Inlet Check Valve Price on request PS7100600 MarvelXACT™ PEEKsil™ 100µm ID x 600mm Price on request