Tungsten Lamp (1000 hr) Back Catalog number: CTS-12013 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-10328 Optics Cover Window Price on request CTS-21421 PM Kit, 1290 Binary Pump Price on request