Sapphire Plunger Back Catalog number: CTS-2369 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request CTS-A117 Inlet Check Valve Price on request