Do you often eat at your desk? Does your keyboard get crumbs stuck in between the keys? Then take a look at this air duster from 5 Star. It is 100% non- flammable so you do not have to worry about any fires. This useful air duster is to be used in an upright position and is HFC which makes it compliant to new F-gas regulations. The extension tube supplied makes it easy to clean those hard to reach places.