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 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request CTS-21421 PM Kit, 1290 Binary Pump Price on request CTS-A106 Rotor Seal Price on request