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 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-10985 600/610 Performance Maintenance Kit Price on request 11-3883 Needle Assembly Price on request