TREDY Air Purifier with HEPA Filter 1080 ft

True HEPA Filter 4-stage filtration efficiently capture 99.97 percent of particles that are precisely 0.3 micron in diameter or larger. Like dander, dust, pollen, odor etc. Improve your indoor air quality and give you a better breath. Quite Sleep Mode: Sleep mode runs at low noise level at 28 dB, and the night light can be completely off, suitable for bedroom use, giving you a quiet and undisturbed sleep. 360 Capture Filtration: Optimized the air circulation system,and the vertical structure allows the indoor air to form a 360 cycle, easily purify large spaces such as the living room and give you a clean and pollution-free environment , so you can feel the pure air like nature without going out. Filter Replacement Reminder: The indicator on the panel will remind you when the filter should change, filter should change every 6-8 months,it depends on the air quality you used for. You can search "B087LRC5G7" on Amazon search bar to get an affordable replacement filter. Complete certification: Complies with California air resources board (CARB) for indoor cleaning devices, FCC certified, ETL listed,Trustworthy quality.