Kontakt Chemie Air-Dusters Gas duster 632230 - Kontakt-Chemie 33170-DE, Kontakt Chemie produces the Compressed air 67, a non-flammable, high-pressure compressed gas spray ideal for cleaning electronics. Typical applications include keyboard, sensor, and switch cleaning. The 100 ml aerosol is effective for maintenance and workshop use. Kontakt-Chemie 33170-DE DRUC.KLUFT 67 Gas Duster Non-Flammable 100ml