Sapphire Plunger w/Holder Back Catalog number: 11-3795 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11294 1515 Performance Maintenance Kit Price on request 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-10548 Gold Plunger Seal, Analytical Heads Price on request