Inlet Check Valve Assembly Back Catalog number: CTS-0720 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1597 Piston Assembly, TZP Price on request 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request CTS-10324S Seal Pack w/Needle Price on request