The Dust-Off DPSXL3 Disposable Dusters (3 pack) is an ideal way to clean and remove dust. This household essential comes in a pack of three cans that are each 10 ounces. The nozzle is strong and powerful to push out the compressed gas to blow off the dust from even the tightest of spaces. The disposable compressed gas duster is suitable and best used for cleaning computers laptops and other electronics. It can remove dust and particles from the tight spaces in between your keyboard. For harder-to-reach places there is an extension tube included.