Inlet Check Valve Back Catalog number: CTS-21145 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11315 Needle Seal, PEEK™ SIL-20 Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request PL7050600 MarvelXACT PLS 50µm x 600mm Price on request