Cleans delicate components without scratching or residue MANHATTAN Air Duster is ideal for cleaning electronic equipment, computers, office and photography equipment and other devices and components that are difficult to reach or sensitive to touch. A convenient alternative to harsh and abrasive cleansers, the trigger operation and extension tube help carefully direct high-pressure, CFC-free air into small areas and crevices to gently remove dust, debris and contaminants without scratching or leaving any residue.