Arlignton DVFR4W Four-Gang IN BOX Recessed Indoor Electrical Box for New and Retrofit Construction, WhiteArlignton DVFR4W DVFR4W Product Description Arlington's non metallic recessed indoor InBox allows items such as furniture or televisions to be placed closer to the wall. Our InBox uses mounting wings to attach to the wall, so it is ideal for new or retrofit construction. This four gang 64. 5 cubic inch InBox is UL listed, and has a two hour fire rating. It comes with the recessed box, trim plate, wall plates, low voltage divider, and mounting