The heavy gauge welded steel construction of these hoods will stand up to plenty of use. They contain high temperature porcelain sockets to accommodate one fluorescent bulb and two or more incandescent bulbs up to 75 watts per socket (bulbs sold separately). Features include independent rocker switches for separate control, a heavy duty cord and internal ballast. Finished with high temperature reflective white paint. Accepts 1" (T8) or 1½" (T12) diameter fluorescent reptile bulbs.