ROYAL Conduit Outlet Box, Series: F Series, 1/2 in Hub, 1 Gang, 17.5 cu-in, For Use With: PVC Rigid Conduit, Lug Mount, PVC SPECIFICATIONS Capacity : 17.5 cu-in Hub Size : 1/2 in Material : PVC Mounting Type : Lug Number of Gangs : 1 Series : F Series Suitable For Use With : PVC Rigid Conduit FEATURES Without knockouts (2) 1/2 in FSS cable entry