Plunger Holder Back Catalog number: 11-3897 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request CTS-A11187 Outlet Check Valve Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request