LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Back Catalog number: 11-4073 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-4063 Outlet Check Valve Price on request CTS-10324S Seal Pack w/Needle Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request