Product Info Catalog Electrical & Lighting Boxes, Connectors & Terminals Electrical Boxes Ceiling Box, Adjustable Bar Hanger, 4" Dia.r x 2-1/4-In. D. Ceiling Box, Adjustable Bar Hanger, 4" Dia.r x 2-1/4-In. D. Request a Quote UPC: 34481100829 Manufacturer: Thomas & Betts SKU: 661127 Model Number: B620HG-UPC Ceiling Box With 14-1/4" - 23-1/2" Adjustable Bar Hanger, 20 CUIN, 4" Diameter x 2-1/2" Depth, 3/0-4/0 Combination, 6 Integral Clamps, Grounding Lug & Screw Attached, Fixture Spacing For 2-3/4" & 3-1/2", Non-Conductive, Non-Corrosive.