Genuine Dyson Micro 1.5kg SV21FF cleaner head. Model → 489949 Compatible models → SV21 SV33 The following items have been done: Disassembly and oxygen cleaning Operation check Alcohol disinfection *Crack in the end cap There was no problem with use. Please judge the condition from the images as it is a used item. If you have any concerns, please 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 h80