ProTeam 100110 3 Inch Dust Brush with Reducer - Premium Cleaning Tool for Carpets, Upholstery & Hard Floors - Ideal for Home, Office & Commercial Use

This 3-inch Dust Brush with Reducer from ProTeam is a commercial tool attachment that carefully removes dust from small, hard to reach places like lampshades, blinds, and other furniture. 

The outside diameter is 1.5 inches while the inside diameter is 1.25 inches, fitting standard wands with a screw down connections.