Sapphire Plunger Back Catalog number: CTS-10475-1 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5531-05 Solvent Bottle Filter, 5/pk Price on request CTS-10391 Plunger Wash Seal Price on request CTS-21243 1/16'' Ferrule set, 2/pk Price on request