Inlet Check Valve Assembly Back Catalog number: CTS-0720 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request CTS-11425 Sapphire Plunger Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request