Ozone Power 3500 Commercial Air Purifier Cleaner - Ozone Generator - Control & Eliminate Odors - Professional Strength - Can Be Used in Areas up to 4000 Sq. Ft. COMMERCIAL GRADE - True Ozone output at 4000 mg/hr delivers unmatched odor destroying results leaving your air pure and clean. POWERFUL ODOR REMOVER - Ozone is nature's secret weapon for fighting odors and ensuring professional strength purification. PROFESSIONAL STRENGTH - Odor causing pollutants such as smoke, paint, pet odors, musty basements and more are no match for the power of Ozone. CAN BE USED ANYWHERE - Control and eliminate odors in homes, offices, cars or any space desired up to 4,000 SQ FT. FULL 5 YEAR MANUFACTURER WARRANTY - We are fully confident in the quality and durability of our products and back them with a full 5 year warranty. In the very unlikely event you encounter an issue with your purchase, simply call or email one of our friendly customer service experts and we will gladly take care of it.