3-Stage HEPA Air Purifier - the air purifiers adopts advanced filtration system to capture 99.9% particles such as dust, smoke, etc. Say goodbye to polluted air, bad coughing and smells from cooking. (Note: the lifespan of filters varies based on different air conditions. To guard your family's health, please replace the filter cartridge once every 3-6 months)Efficient Air Purifier for Home- air cleaner with touch screen for easy use. Simply adjust timers among 2hrs/4hrs/6hrs/8hrs/10hrs/12hrs and choose suitable fan speed of Low/Med/High. The air purifiers will purify every corner of your bedrooms, dorms, offices etc. No need to worry about air quality problems anymore.Enjoy Peaceful Night or Work - for persons who are sensitive to noise, ToLife air purifiers is perfect choice due to the cosy white noise effect under Level 1& 2. Silent sleep mode under 25dB helps you sleep through the night quietly. The air purifiers for pets will clean up hair and smell from pets dander, create enjoyable living environment.Purifier Brings Pleasant Scent - simply drop essential oil to the aromatherapy pad under the air purifier outlet, with fresh air flowing, the fragrance will follow it to circulate anywhere you bring the purifiers to. You may share relaxing moment with families using the air purifiers for bedroom.High Circulation Rate & Wide Range - small air purifiers also refreshes the air 5x per hour covering space up to 215 ft² . There is also auto reminding when the air purifier is in use for more than 2000 hours. If you need any assitance in terms of using this purifiers for bedroom, feel free to contact our customer service team.