From Dyson, this Air Purifier features: The Dyson purifier humidifier is engineered to help improve your air quality. An advanced filtration system combines a filter to remove gases and odors with a HEPA filter to capture 99.97% of particles 0.3 microns in size. Powerful Air Multiplier™ technology projects purified, humidified air throughout the room.¹ Automatically purifies and hygienically humidifies for a healthier environment. Multifunctional. Intelligently purifies, humidifies, and cools you.² Fully sealed to HEPA H13 standard. It's not just the filter that's fully sealed, it's the whole purifier humidifier. So what goes inside stays inside. Air Multiplier™ technology mixes and circulates purified, humidified air throughout the whole room.¹ Automatically senses and reacts to changes in air quality, then reports pollution in real time on LCD screen and on the MyDyson™ app Choose between Fan mode for direct cooling with up to 90° of oscillation, Breeze mode to mimic a refreshing breeze, and Backward airflow mode to purify and humidify without cooling you An efficient water management system and a one-gallon tank give you up to 36 hours of hygienic humidification without regular refilling.³ The filter is quick and easy to change. With automatic filter-life notifications on the LCD screen or MyDyson™ app Control your machine hands-free with compatible voice services. Works with Amazon Alexa, Apple Siri, and Google Home. Measures approx. 36.33"H x 12.3"W x 6.1"L Weight 17.7lbs  Whats includes:  Dyson Purifier Humidify + Cool PH03 Dyson Genuine Filter Remote Control Owner's Manual Imported. ¹In Maximum setting. Tested for air projection (DTM801), purification coverage in a 2860ft3 room (TM-003711), and heating performance in a 1236ft3 room (DTM961). ²Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%. ³At fan speed 1. Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply.