Box round 2-1/4" deep-4 hubs 1" iron

Box, designed for suspension of HID, fluorescent and incandescent lighting fixtures. Features: all fixture hangers protect fixture against wind and vibration damage. Cushion type for added protection where lighting fixtures are subjected to vibration. Accepts JB covers for ordinary ..location and AHG hangers for Class II hazardous locations. Certifications and compliances CSA approved.