Inlet Check Valve Back Catalog number: CTS-21147 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10686 Needle Seal, Vespel® Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request CTS-21277 Needle Seat, 0.12mm ID, 0.8mm OD, PEEK, 600 bar Price on request