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 11-3883 Needle Assembly Price on request CTS-21219 Piston, Ceramic Price on request CTS-0069 Tubing, Head to Tee Price on request