Converts Fast for Use on any Cladding System up to 1-7/8 Inch; Ships Pre-Assembled Ready for Use with 1-3/8 Inch Finish or Cladding Thicknesses; Easily Converts for 5/8 Inch Finish Thicknesses by Removing Back and Reinstalling on the Opposite Side; Add Extension Ring for 7/8 Inch Thickness; Extra Wide Flanges Help Meet the International Energy Conservation Code by Creating a Protective Barrier Against Air and Water Infiltration, No Gaskets or Caulking Required; Made of High Strength Polycarbonate; Wall Mount 1-Piece Design for New Installations; Up to a 10 Lb Fixture Rating; Made in USA

Specifications:

Type: New Work, Flanged
Depth: 1.986 Inch
Diameter: 4 Inch
Capacity: 20 Cubic Inch
Material: Black Polycarbonate
Mounting: 1/4 Inch Extension Ring, (4) #8 x 1/2 Inch Sheet Metal Screw
Standard Package: 10
Approval: UL, CSA