Cooper Lighting Metalux™ Collection Tandem commercial narrow channel fluorescent striplight in baked white enamel finish, is pretreated with multistage iron phosphate for maximum bonding and rust resistance. It has die formed cold-rolled steel channel with numerous knockouts for easy installation. This ceiling mountable fluorescent striplight uses two 17-Watt T8 lamps with flip up socket. Lamp with electronic instant start ballast, has voltage rating of 120 - 277-Volts. Fluorescent striplight measures 24-Inch x 2-3/4-Inch x 3-5/16-Inch. It is ideal for use in storage/utility areas, coves, display cases, shops, task and general area lighting. Fluorescent striplight is UL/cUL listed.