CleanAir Ozone Generator 5,000 Mg Air Deodorizer Ionizer Ozonator Ozonizer Ozone Machine Covers up to 6,000 square feet! That's a big area! THIS IS A VERY POWERFUL UNIT FOR FAST CLEANING! GREAT FOR EVEN SMALLER AREAS, MEANS FASTER AND MORE IN DEPTH CLEANING! PERFECT FOR AIR OR WATER PURIFICATION! Digital timer installed with large LED readout Produces 5,000mg of Ozone per hour! - ADJUSTABLE OZONE OUTPUT Large fan with better airflow and VERY low noise.