Carlon E971FB-CAR Floor Base Box, GrayHighlights: Shape: round Color: gray 90 cu. ft. in. capacity Accepts 1 2", 3 4" and 1" conduit and has PVC molded ports Includes two 1" x 3 4", two 3 4" x 1 2" reducer plugs and two 1" and 3 4" hubs Minimum concrete dept required is 3 1 2" Non metallic PVC floor box. Water tight gasket and corrosion resistant hardware Concrete or wood subfloor construction approved Will provide optional low voltage divider permitting three services (data, telephone,