Three 10 Oz Containers of 3M Dust Remover - Compressed Gas Duster - Removes Dust & Lint in Home or Office - Contains a Bittering Agent to Help Discourage Inhalant Abuse - Dry Spray Removes Dust, Dirt and Lint from Home, Office and Recreational Items - Contains 1, 1-Difluroethane DOT-SP 11516 - Spray Nozzle with Straw to Direct Gas Flow