... possible to reach even the most inaccessible crevices. Typical applicationses:For camera, watch,cleaning of alarm, signal systems, computer heads, ... timers,transisters,etc.Advantages:High pressure concentrated lowing actionNo ned for air mains supply or compressor.Small enough to fit ... kits.Non-Toxic, Non-flammableLeavers no residue or condensation. laptop Keyboard air duster/computer air duster