Needle Wash Frit Back Catalog number: CTS-2324 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request CTS-A11342 Tube Assembly, Transducer to Check Valve Price on request