This is a slim soft roller cleaner head for the Dyson micro 1.5kg SV21FF. 【Model Number】489949 Please check the product condition in the images. After complete disassembly, cleaning, and inspection, the unit has been tested and disinfected with alcohol. It has been soaked and cleaned with a special cleaning solution, so there is almost no dust inside the head or at the entrances/exits. The product condition is based on a personal assessment, so please refrain from purchasing if you are sensitive to such matters or are looking for a perfect product. If you are in a hurry, please comment. We will ship within 24 hours as much as possible. #Dyson #dyson #SV21 #SlimRollerHead