The Maxell CA4 Blast Away Canned Air Duster is a multipurpose duster that removes dust and dirt off keyboards and electronics Great for sensitive home and office environments it is nonflammable and contains a bitterant to help discourage inhalant abuse This twopack set is the perfect way to clear dust and dirt from hardtoreach places of your keyboards and electronics Features. Removes dust and dirt from keyboards electronics etc. Great for sensitive home and office environments. Nonflammable canned air duster 154a formula. Contains a bitterant to help discourage inhalant abuse . Pack of 2Specifications. ApplicationUsage Keyboard Electronic Equipment