描述：F3TSBRECESSED FLUORESCENT LIGHT FIXTURET-BAR OR DRY WALL “TROFFER’’1, 2, 3 or 4 LampsDESCRIPTIONStanpro's F3TSB shallow recessed troffer is less than 4" deep and makes it the perfect solution for commercial applications where uniform and efficient lighting is required. The hinged door with rotary cam latches assures ease of maintenance. The F3TSB is available in either 1x4, 2x2 or 2x4, using T5, T5HO or T8 lamps.POWER RANGE? 17W to 32W T8 lamp? 14W to 28W T5 lamp? 24W to 54W T5HO lampHOUSING & FINISHINGThe shallow body is made of die-formed cold rolled steel, post-painted highgloss white. Comes complete with integrated earthquake clips.BALLASTT5 & T5HO: Our fixtures come standard with electronic program start ballasts.T8: Our fixtures come standard with electronic instant start ballasts (not intended for use with occupancy sensors).Dimming ballasts and other ballast types are optional.LENS & LOUVERSPrismatic acrylic K-12 pattern (0.1 inch) is standard. Other prismatic patterns, lenses, and louvers are optional