Dust-Off Disposable Compressed Air Duster, 12 oz Can - Provides potent dust-removing power for practically any task. Ideal for cleaning technology like keyboards, laptops and CPUs. Also great for cleaning items in the home such as collectibles, window blinds, lamp shades, craft projects and sewing machines. Includes extension tube to get in hard to reach places. Contains a bitterant to help discourage inhalant abuse.