Tungsten Lamp (1000 hr) Back Catalog number: CTS-12013 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request CTS-21075 Tube Assy, BSM Outlet to SM Price on request CTS-A11184 Lamp Housing Window Assembly Price on request