Sapphire Plunger w/Holder Back Catalog number: 11-3795 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request