Piston Seal Backup Ring Back Catalog number: CTS-10759 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request PS7075150 MarvelXACT™ PEEKsil™ 75µm ID x 150mm Price on request