Sapphire Plunger Back Catalog number: CTS-10475-1 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10597 Wash Tube Seal Kit, 4/pk Price on request CTS-10532 Seal Wash Face Seal Price on request 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request