All Illuminators are constructed from 20-gauge cold rolled steel and finished inside and out with non-yellowing baked white enamel finish ensuring durability and providing the best possible viewing conditions. Modern style and neutral color blends with any room decor. The viewing area is one-piece white, translucent, shatterproof plastic 1/8" (3.2mm) thick. Illuminators feature easy to remove viewing panels that require no tools for quick access to lamps. State of the art light diffusing system provides the most uniform light distribution presently available. All illuminators are UL and CUL approved and have low leakage magnetic-NPF, UL and CSA approved ballasts. 7500 hour daylight lamps at 750 lumens each.