Carlon CFB-16-F Ceiling Fan Box, Saddle, New/Old Work, 4-Inch Diameter by 3-5/16-Inch Depth, Black The product is Ceiling Fan & Fixture Draft Tight, Saddle Box Easy to use The product is manufactured in China Drywall flange covered with a foam gasket and additional gaskets over the cable entry points that provide a vapor-tight seal Designed for fan or fixture mounted directly onto the joist resulting with a convenient, secure and safe installation 1/2-Inch offset flange to ensure a flush fit in 1/2-Inch drywall Pre-drilled flanges for additional mounting options V-clamps provide self-clamping cable entry