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-21085 Rotor Seal, 6 port, -COH Price on request 11-3795 Sapphire Plunger w/Holder Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request