Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21480 Check Valve, Cartridge Price on request CTS-9600 Inlet Manifold Kit Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request