Plunger Rinse Seal Back Catalog number: CTS-10583 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3321 Wash Seal Gasket, 6/pk Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request CTS-10788-5 Needle Wash Frit, 5/pk Price on request