Sapphire Plunger w/Holder Back Catalog number: 11-3795 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10493 Check Valve Cartridge, 2/pk Price on request CTS-5313 Compression Screw, SS Price on request 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request