Ceramic Plunger Back Catalog number: CTS-10322 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request CTS-21129 Check Valve, Ti, Price on request