Check Valve, Cartridge Back Catalog number: CTS-21480 Availability: In the manufacturer's stock Price on request - + Recommended CTS-11312 PEEK™ Rotor, HPV Price on request CTS-0038 Tube, Right Inlet Pigtail Price on request CTS-10770 Waste Valve, V3 (2 Way Solenoid Valve) Price on request