Inlet Check Valve Back Catalog number: CTS-21147 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10988 2690/2695 Performance Maintenance Kit Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request 11-3321 Wash Seal Gasket, 6/pk Price on request