Tube Assy, Transducer to Check Valve, I2V Back Catalog number: CTS-A11372 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-12013 Tungsten Lamp (1000 hr) Price on request CTS-2294 Plunger Seal Price on request CTS-A121 Outlet Check Valve Price on request