GC-4K Fast Release (4000 cu ft) - Case Of 24The GardnClean Chlorine Dioxide (ClO2) Fast Release is a true dry gas fumigation for deeply deodorizing any space or environment 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