Get up to 30 days of commercial odor control without the spraying, misting, or liquids! Available in a variety of fragrances, the Stealth fragrance diffusion solution is the most effective fragrance solution for large and challenging spaces, up to 3,500 sq. ft. Use up to six scent cartridges at once and select from seven fan speeds to get the desired level of intensity and longevity of fragrance for the size of your specific space. The fragrance cartridges are made using a proprietary polymer blend infused with essential oils that attacks and neutralizes odors with Odoraxe™, a scientifically designed and tested technology that continues to counteract malodors even when you can no longer smell the fragrance. Effective against Tobacco Smoke, Bathroom Smells, Body Malodor, Pet Odors, Mildew Smells, Kitchen Smells, and Cooking Odors. Environmentally friendly: VOC-compliant: no aerosols, harmful solvents, or propellants Uses pure essential and fragrance oils Recyclable refill cartridges Non-flammable Available fragrance-free and in a variety of classic and luxury fragrances.