It is ideally used for fire resistive walls and ceilings in new work residential construction. Switch or receptacle outlet box is UL listed. Machine tapped device holes， offset gauge marks， leveling ribs， rigid hard box construction， no distortion with high temperatures， shatter resistant with low temperatures.

• Brand Name: Allied Moulded
• Sub Brand: FiberglassBox
• Capacity: 20-1/2 cu in
• Shape: Rectangle
• Material: Fiberglass
• Number of Gangs: 1 gang
• Product Type: Outlet Box
• Color: Off White
• Width: 2-1/4 in.
• Height: 3-13/16 in.
• Depth: 3-1/4 in.
• ETL Listed: No
• Weather Resistant: Yes
• UL Listed: Yes
• CSA Listed: No
• Number in Package: 1 pk
• Box Type: Wall