· A 45W long-life high-torque motor provides 141CFM CADR to purify the air of a 1,095 ft2 space once/hour with the Levoit Original Filter (Core 300-P) · 99.97% filtration efficiency for 0.1~0.3μm airborne particles like pollen, dust & dander with the Levoit Original Filter (Core 300-P) · Whisper quiet operation at just 24dB on sleep mode allows undisrupted sleep (Core 300-P) · Compatible with Levoit Desktop Air Purifier Core Mini to guarantee peak performance · 3-stage filter system with pre-filter, efficient filter & activated carbon filter removes odors, fumes & particles (Core Mini-RF)