Piston Assembly, Sapphire Back Catalog number: 11-1596 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10686 Needle Seal, Vespel® Price on request PS7025150 MarvelXACT™ PEEKsil™ 25µm ID x 150mm Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request