22.0 Cu. In. Single gang electrical box for use with nonmeatllic sheathed cable - Polyurethane flange for single drywall offset, molded-in splined device holes, offset gauge marks, leveling ribs - New work residential construction 2 HR fire resistive walls & ceilings - Air tight - PVC - Thermoplastic - Size: D=3 1/2", W=2 1/4", H=3 7/8" - Mount with Angled mid nails