The Gard’nClean Chlorine Dioxide (ClO2) Fast Release is a true dry gas fumigation for deeply deodorizing any space or environment - GC-2.5K (up to 2,500 cu ft). This includes hard to reach areas such as microscopic openings on non-sealed materials, HVAC ducting, electrical components, and much more. Due to the very small size of the chlorine dioxide molecule, it can easily penetrate into all of these spaces to eradicate the source of VOCS (Volatile organic compounds), odors, and other compounds from deep within. Great to use in transportation, bathrooms, kitchens, offices, common areas and dwellings. Although Gard’nClean Fast Release can be used on its own, we recommend that all surfaces should be thoroughly cleaned and disinfected with Gard’nClean GC Liquid before performing a Fast Release Gas Treatment.