Compressed Air Dusters, which is commonly referred to as "canned air", "compressed air", and "dusting gas", is used to dislodge dust and dirt with a pressurized blast. Blow Off Air Duster is a portable, noncorrosive, nonflammable, dry and odorless gas. The "air compressor in a can" provides up to 3000 jets of cleaning power with pressurized liquid non-flammable gas. 3 Air duster keyboard cleaner can remove dirt and microscopic debris from hard to reach areas of home and office equipment. It's ozone safe. 3 Air duster spray is used to blast out dust and dirt from keyboards, computer vents, and even in the PCB assembly process by opening up tight stencil apertures. It is a duster product specifically for the removal of dust from photographic negatives, semiconductor chips, and specimens under electronic microscopes of for use on energized electrical equipment.