Solvent Bottle Filter, 7/pk Back Catalog number: CTS-5531-07 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3897 Plunger Holder Price on request 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request 11-3795 Sapphire Plunger w/Holder Price on request