4', Metalux 1 Lamp T8 Fluorescent Strip Light, 32W, 120V Residential Electronic Ballast, Prewired Flip Up Socket Cuts Installation In Half, 2-3/4" Channel Width, Can Be Installed With Various Mounting Methods, Operates At 0 Degree, UL Listed, IBEW Labeled & Energy Star Rated, Uses 1 F32WT8 Lamp, Not Included.