The HoMedics AR-20 CADR ratings are: CADR SMOKE: 117, CADR POLLEN: 123, CADR DUST: 126 giving it a combined CADR rating of 366. It comes with a HEPA filter which removes 99.97% of allergens. The room size cleaned is 72 m²/H, with an air flow rate of 180 m³/H. It comes with a programmable 12 hour timer and has three Air Cleaning Speeds and a digital LED display. There is a Filter Check Monitor and Remote Control.
Full instructions for use and a 3 year guarantee