3-Stage Filtration traps 99.97% of airborne particles to 0.3 microns. Ideal Room Size: for rooms up to 1073 sq ft (1 ACH) / 222 sq ft (4.84 ACH). AHAM Verifide Air Purifier tested to ensure performance to reduce tobacco smoke dust and pollen. Timer: Set a

Details 3-Stage Filtration traps 99.97% of airborne particles to 0.3 microns. Ideal Room Size: for rooms up to 1073 sq ft (1 ACH) / 222 sq ft (4.84 ACH). AHAM Verifide Air Purifier tested to ensure performance to reduce tobacco smoke dust and pollen. Timer: Set a timer 2 4 6 or 8 hours. 3 Fan Speeds: low medium or high. Check Filter Indicator lights to check and/or replace the filter. Sleep Mode: fan speed is quieter than low and turns off display lights. Independently certified CADR. Power supply: 120V AC 60Hz 45W.