Main Piston Seal Back Catalog number: 11-2588 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PS7100150 MarvelXACT™ PEEKsil™ 100µm ID x 150mm Price on request CTS-10323 Sapphire Plunger Price on request 11-4126 Plunger Seal and Back Up Ring Price on request