Allied Moulded P-201

20.5 Cu. In. Single gang electrical box for use with nonmeatllic sheathed cable - Molded-in splined device holes, offset gauge marks, leveling ribs - New work residential construction 2 HR fire resistive walls & ceilings - PVC - Thermoplastic - Size: D=3 1/16", W=2 5/16", H=3 3/4" - Mount with Angled mid nails