The MF100 — officially the Wolfbox MF100 — is Wolfbox’s flagship handheld air duster, and the one I’ve been testing for the past few weeks. Wolfbox MF100 Compressed Air Duster This powerful blower is useful even outside the car. The lowest speed setting is gentle enough for use around glass and sensors. The lowest speed setting is gentle enough for use around glass and sensors. Wolfbox rates it at up to 100 minutes of runtime on the lowest setting.