Tube, Left Inlet Pigtail Back Catalog number: CTS-0037 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request 11-3343 Tungsten Lamp Price on request CTS-A11372 Tube Assy, Transducer to Check Valve, I2V Price on request