Make the best home appliance upgrade with the Levoit Core 300 True HEPA Air Purifier to fill your home, apartment, or condo environment with crisp, clean air. Through Vortexair Technology, the Core 300 creates a stronger airflow and covers up to 40 sqm. It avoids using UV/Ion light which is an air cleaning method that research has proved harmful as it produces harmful ozone and secondary pollution. • Superior 3-Stage Filtration: The H13 True HEPA filter works with ultra-fine pre-filter and activated carbon filter, trapping 99.97% of fine particles as small as 0. 3 microns and large pollutants like pollen, dust, and pet dander. The filter can also neutralize smoke and cooking fumes. This highly efficient filtration system helps reduce allergies among adults and kids alike • Most Silent Air Cleaner: Its noise level is nearly voiceless at sleep mode with only 24db through QuietKEAP Technology that reduces noise so you can sleep in a restful and soothing indoor environment Enjoy a good night's sleep by turning off the display light, and using its energy-saving timer with 2/4/6/8 hour options for your convenience. Get a Levoit for your room today.