Arlignton DVFR3BL Three-Gang IN BOX Recessed Indoor Electrical Box for New and Retrofit Construction, BlackArlignton DVFR3BL DVFR3BL 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 two gang 34. 0 cubic inch InBox comes in black, is cULus listed, and has a two hour fire rating. It comes with the recessed box, trim plate, wall plates, low voltage divider,