High pressure, ultra pure, moisture free air duster. It aids in removing microscopic dirt, dust and iron oxide deposits. It is also effective removing lint and paper from: camera lenses, scientific equipment, disc drives, timing devices, instruments and magnetic tape heads. Office machine companies use this for cleaning computer printers, fax machines, copiers and other electronic devices. The spray button is finger friendly to help reduce fingertip chilling. BLAST emits no V.O.C.’s and leaves no residues.