Lithonia Lighting FM 22 ACLR LP M4 Acrylic Single-Light Fluorescent Semi-Flush-Mount Ceiling Fixture, White Semi-flush-mount fluorescent light fixture for a bedroom, office, or other room Uses a 22-watt Circline lamp; stay-white acrylic diffuser provides a soft, steady glow Latch secures the diffuser to the housing; Energy Star rated; UL listed; CSA certified Wall or ceiling mountable; mounting hardware included; available in a variety of sizes Measures 11 inches in diameter; 2-year limited warranty