Check Valve, Cartridge Back Catalog number: CTS-21480 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10583 Plunger Rinse Seal Price on request CTS-21277 Needle Seat, 0.12mm ID, 0.8mm OD, PEEK, 600 bar Price on request CTS-10839 Seal Pack Rebuild Kit Price on request