Check Valve, Double Ball & Seat Back Catalog number: CTS-A11095 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request CTS-11080 Alliant Solvent Mgr PM Kit Price on request