FIXTURE,LIGHTING,FLUORESCENT,SURFACE MOUNTED: FOR INDIVIDUAL MOUNTING, FIXTURE IAW UL 1570. CONSTRUCTED OF COLD-ROLLED STEEL, FINISHED W/ BAKED WHITE ENAMEL. LENGTH 48 + 1/2 IN, WIDTH 24 + 1/2 IN. HEIGHT 3-1/2 + 1/2 IN. REFLECTIVE SURFACES WHITE., REFLECTANCE 86%. WITH SINGLE EL ELECTRONIC BALLAST TO SUPPORT FOUR F23T8 FLUORES CENT LAMPS (NOT INCLUDED) W/UL LISTING MARK. SHALL OPERATE ON 120 V, 60 HZ ALTERNATING CURRENT. PACKED PER ASTM D3951. MARK PER FED-STD -123 FOR GSA DEPOTS: MIL-STD-129 FOR DOD LOCATIONS. PALETIZATION - 48" X40" , 4-WAY, 2500# MAX, 53" HEIGHT MAX. DATE OF AWARD 5/5/11 QSDLAA-D6-11-1276-BPA P/N: 24BNM432FSA11K4Y