Best Seller | FEDERAL SIGNAL WB Gasketed Weatherproof Back Box, Gray Gasketed Weatherproof Back Box, Color Gray, Width 4.5313 in, Depth 2.4375 in, Height 4.5313 in, Material Cast Aluminum w/Neoprene Gasket, For Use With 4 in and 6 in Vibrating Bells and Horns, Features Mounting Lugs and Threaded Conduit Openings 1/2 in... ... more FEDERAL SIGNAL WB Gasketed Weatherproof Back Box, Gray Gasketed Weatherproof Back Box, Color Gray, Width 4.5313 in, Depth 2.4375 in, Height 4.5313 in, Material Cast Aluminum w/Neoprene Gasket, For Use With 4 in and 6 in Vibrating Bells and Horns, Features Mounting Lugs and Threaded Conduit Openings 1/2 in... | | $48.35 go to store |