The Decora brush pass through Insert offers a clean, professional appearance when cable needs to pass through a wall opening. The fibers of the brush protect the cables and close the opening to provide an aesthetically pleasing look. The brush insert installs on standard NEMA electrical boxes and low-voltage brackets. Provides clean, professional appearance when cables must pass through a wall opening White brush fibers protect cables while closing off wall opening Brush insert is compatible with leviton Decora wallplates Can be used with a wide selection of single and multi-gang Decora wallplates in multiple colors, including stainless steel