This flush mount ceiling light by Access Lighting is for use with three 13-watt compact fluorescent bulbs.Bulb Base: GU-24 Bulb Type: Fluorescent Canopy Depth: 1 4 Canopy Diameter: 19 Canopy Indentation: 1 4 Category Group: Flush Mounts Category Sub Group: Bowl Flush Mounts Certification: CETL Collection: Saturn Diameter: 19 Energy Star: No Energy Star Compliant: Yes Finish: Brushed Steel Glass: Frosted Height: 5.50 Kelvin: 2700k Location: Damp Lumens Per Watt: 69.24 Material: Metal Number of Lights: 3 Shade Material: Glass Socket1 Max Wattage: 13 Socket1 Number Of Bulbs: 3 Style: Contemporary Total Nom Lumens: 2700Lm Voltage: 120 Wattage: 13 Width: 19