Piston Seal Backup Ring Back Catalog number: CTS-10759 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21089 Needle Seal (For pH 1-14, for operation up to 130 Price on request CTS-10340 Plunger Seal Price on request PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request