The Fellowes Air Duster provides a powerful blast of air to remove dust, dirt and debris from hard-to-reach areas, helping to keep your workspace and equipment clean. Supplied with an optional extension tube for precise cleaning between keys and other tight spaces, the 200ml canister is ozone-friendly (HFC free) and can be used at any angle (360 degrees) for added convenience. Ideal for cleaning keyboards, office equipment and other difficult-to-access areas. Please note: do not use near sources of heat.