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-11366 Piston, High Pressure Price on request CTS-A11095 Check Valve, Double Ball & Seat Price on request CTS-2369 Sapphire Plunger Price on request