I know it sounds a lot of money for air ! but this stuff is dear to buy. It's full price instore.
Great for cleaning PC innards and just sorted lads Xbox 360 drive with it.
dont use it on camera optics
This Essential Value Multipurpose Air Duster twin pack provides a convenient and safe way for you to remove dust and debris from your electrical equipment. You can use the Multipurpose Air Duster to swiftly spray clean your keyboard, printer, copier, fax machine and other devices, to improve and maintain their efficient functioning.