Patented adjustment screw that adjusts depth from 0 to 1-3/4 inCovers have two non-removable hinged doorsDual service capabilitiesSuitable for hollow floor
Thomas & Betts Carlon® Adjust-A-Box® B234BFBB Adjustable Non-Metallic Floor Box, Brass, 34 cu-in Capacity, 2 Gangs, 5 in H x 4-3/4 in W