Tungsten Lamp Back Catalog number: 11-3343 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2529 Screw, Comp., 10-32, 304SS, (Gold-Plated), 10/pk Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-10573 Injection Valve Rotor Seal Price on request