Meross Smart Wi-Fi Air Purifier, MAP100HK - Purifier Air with Technology: Introducing our new device - Smart Air Purifier, which can be controlled via Meross app and Apple HomeKit, Amazon Alexa, Google Assistant, and SmartThings letting you set schedules, and adjust fan speeds more easily. - Replacement Filter: For the best performance and longest lifespan, use Meross replacement filters. - Effective Purification: The compact frame and 360° design help purify the air wherever you put it, refreshing the air 5x per hour in rooms as large as 207 ft² / 19 m². - Improved Filtration: The H13 True HEPA Filter captures 99.97% of airborne contaminants 0.3 microns in size, ridding your environment of dust, pollen, pet dander, mold spores, and more. - Quiet Operation: With a noise level as low as 24dB, the smart air purifier cleans your air without keeping you up at night. For a completely uninterrupted sleep. - Remote Control: With Meross app, you can control your smart air purifier from anywhere anytime. Adjust settings while you’re in the other room, at the office, or out walking the dog. - Voice Control: Works with Apple HomeKit, Siri, Amazon Alexa and Google Assistant, use your voice to control the air purifier without having to lift a finger.