I used it once as a test. The vacuum cleaner was not used, so the filter is new. A small electric air duster with a 20000mAh battery, featuring blowing and suction modes, and convenient LED light. - Model: Small Electric Air Duster - Battery Capacity: 20000mAh - Wind Speed: 30000RPM - Functions: Blowing and Suction Modes - Accessories: Nozzle attachments - LED Light: Included Thank you for looking.