Plunger Seal and Back Up Ring Back Catalog number: 11-4126 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended PL7050350 MarvelXACT PLS 50µm x 350mm Price on request CTS-10324S Seal Pack w/Needle Price on request CTS-11265 Kit S200 Standard Pump Seals Price on request