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【Advance Hepa Filter 】It comprises a pre-filter, a HEPA filter and an activated carbon filter, captures 99.97% of pollutants; dusts, pet dander, pollen as small as 0.3 microns, circulates room air up to 236.8 Sq.Ft area 3.7 times per hour.
【Powerful Fan System & Quiet Night】It comes with four speed settings: Sleep, Low, Medium, and High letting you control the speed and volume of the purifier.Sleep mode(28dB) help you have a good sleeping without interrupting your sweet dreams.
【Child -Lock & Timer Mode 】It’s efficient to avoid error operation caused by pet or child’s during their curiosity. (Keep pressing the Lock button for 3 seconds to start avoiding touching mode). Also,the timer function allows the air purifier to turn off automatically after 1/2/4/8 hour.
【Electronic Filter Replacement Reminders】A light flash on the digital panel will remind you when the filter is due for cleaning or replacement. Please search BS-07 air purifier filters(B08216S6Q6) in amazon when you need change filters.