HIGH-EFFICIENCY & LARGER COVERAGE FOR PET LOVERS: DBFIT AP-M1419 air purifiers for home large room can effectively purify air pollutants and cover an area up to 2390 sq ft, refresh a room of 210 ft² rapidly in just 8 minutes. Superior odor-absorbing filter, it can trap airborne pet hairs and odors more easily. High-efficiency HEPA air purifier captures 99.97% of airborne particles, ensuring a smoke-free, dust-free, allergen-free, and odor-free environment for you and your family! PM 2.5 AIR QUALITY DISPLAY & AUTO MODE: The smart air purifier is equipped with an upgraded PM 2.5 particle sensor, which can more accurately and quickly monitor the air quality in real-time and show it on the display, let you know the air health condition at any time. In auto mode, the home air purifiers can adjust the fan speed according to the air quality. When the surrounding air becomes turbid, the indicator light will turn yellow or red, and the fan will automatically speed up.