Plunger Holder Back Catalog number: 11-3897 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3834 Pump Seal, PE Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request