New MTN Gearsmith Commercial Ozone Generator Ionic Ionizer Air Purifier Freshener Cleaner Portable and compact design, No Duct work Required Commercial grade ozone generator/air purifier with Heavy Duty Steel shell Low Maintenance and Low Electrical Usage. Work for about 5000+ Sq. FT Space. Red LED operation indicator light. Compact design and portable 3 Ceramic Ozone plates provides 4000+mg/hour ozone