Inlet Check Valve Cartridge Back Catalog number: CTS-0621 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1602 Seal, Polyethylene, High Pressure, Piston Price on request CTS-A138 Ceramic Plunger Assembly Price on request CTS-21262 Needle, Uncoated 20 Series Price on request