OPTIMUM OVW-DPC-454-UV-1PS-E-SMB OPTIMUM LTG 4' 4 LAMP T5HO LENSED HIGH BAY VAPROTIGHT INJECTION MOLDED POLYCARBONATE LENS 1 - GE 454 MV PS 90G 1.0BF 120- 277V PROGRAM START BALLAST ENCHANCED ALUMINUM REFLECTOR SURFACE MOUNTING BRACKET