Genuine Dyson direct drive cleaner head. Model number → 248528 Compatible models → SV14 = V11, SV12 = V10 SV10 = V8, SV11 = V7 The following items have been performed: Disassembly and cleaning Operation check Please be sure to check the model number and confirm that it is the correct cleaner for your vacuum before purchasing. We have cleaned it as much as possible by disassembling it, but as it is a used item, there may be some scratches, wear, and dirt that cannot be completely removed. Please refrain from purchasing if you are looking for a new item. Conductivity and operation have been confirmed. In the unlikely event that it does not work, please report it within 24 hours of arrival. (Please research the compatible models yourself.) We do not accept returns for incorrect purchases. Please note that we may use simple packaging and recycled cardboard for shipping.