Genuine Dyson Micro 1.5kg SV21FF cleaner head. Model Number → 489949 Compatible Models → SV21 SV33 The following procedures have been performed: Disassembly and oxygen cleaning Operational check Alcohol disinfection *Crack in the end cap No problem with use. Please judge the condition from the images as this is a used item. If you have any questions, please leave a comment. Each item is photographed individually, and the item in the image will be shipped. We also have many other Dyson products for sale. Thank you very much. m(_ _)m h96