GIBTOOL Replacement Round Dusting Brush Soft Horsehair Bristle Vacuum Attachment 1.25" 1-1/4" 32mm Black Brush for Most Brand Accepting 1.25'' Attachment Inner diameter is a standard 1.25" (32mm) size, allowing this attachment to be used with most 1-1/4inch household vacuum!(The inner diameter is 1-1/4inch(32mm), which means the outside diameter of the vacuum wand or hose connect to it should be smaller than 1-1/4inch(32mm) which is 31mm or 30.5mm) Works with Bissell, Dirt Devil, Electrolux, Hoover, Kenmore, Oreck, Panasonic, etc Artificial horsehair bristles, as soft as natural horsehair, great material for vacuum cleaner tools. Clean and dust tables and counter tops, air and heating vents, mini and vertical blinds and much more! **NOTE**: This only fit Inner diameter is a standard 1.25" (32mm) size,not fit shark ,Dyson,meile and other 35mm Vacuum Cleaner