Needle Seal, Vespel® Back Catalog number: CTS-10686 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10394 Pump Seal, Black Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request