Levoit Air Purifier for Extra-Large Rooms (1395 sq. ft), True HEPA Smart Air Cleaner with Laser Sensor and PM1/PM2.5/PM10 Monitor, EverestAir™! Combining a large fan and unique fan duct design, the EverestAir quickly purifies the air in your largest rooms. With adjustable vent angles, the EverestAir can bring fresh mountain air into any indoor space. With a powerful Clean Air Delivery Rate of 360 CFM, you can completely filter 558 ft² rooms 5x per hour and 1,395 ft² rooms 2x per hour with the EverestAir. Premium 3-stage filtration includes a Washable Pre-Filter, H13 True HEPA Filter, and High-Efficiency Activated Carbon Filter. Trap at least 99.97% of 0.3-micron airborne particles, as well as odors, VOCs, fumes, and smoke. The EverestAir uses a three-channel laser dust sensor to detect PM1.0, PM2.5, and PM10 particulate matter sizes, then updates the display with real-time air quality readings. AWARD-WINNING DESIGN: Recipient of globally renowned awards and inspired by Mt. Everest, the EverestAir balances practical functionality with sleek aesthetics - Levoit EverestAir™ Air Purifier!