Plunger Seal and Back Up Ring Back Catalog number: 11-4126 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-11435 Seal, Needle PEEK™ Price on request PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request 11-4121 Ceramic Plunger Holder Assembly, LC-10ADvp Price on request