Dyson Digital Slim sv18 Slim Cleaner Head. I checked the operation from v12 before listing, and the operation is fine. Thank you for viewing. Dyson V12 Laser Slim Fluffy sv18 SV20 SV30 sv46 cleaner head. Equipped with Laser Detect, which visualizes invisible dust. Works properly. This is a used item, not new, so please purchase only if you understand this.