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 CTS-0620 Outlet Check Valve Cartridge Price on request 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request CTS-10770 Waste Valve, V3 (2 Way Solenoid Valve) Price on request