Wash Seal Gasket, 6/pk Back Catalog number: 11-3321 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11376 Mixer Assembly, 100μL Price on request CTS-21011 Cartridge Check Valve System Kit Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request