Great for small bedrooms and nurseries, the Levoit Core Mini-P Air Purifier keeps your room smelling great without taking up a large space. The 3-stage filtration system traps hair, lint, fibers, dust, 99.97% of airborne particles down to 0.3 microns, and smoke particles, and helps remove household odors to keep your space smelling fresh and clean. Add fragrant essential oils to the aroma pad and cycle through 3 fan speeds with the tap of a button. The Check Filter Indicator will let you know when it's time to check and/or replace the filter. The air purifier is ideal for rooms up to 255 sq ft (1 ACH) in size and runs with noise levels as low as 25dB, keeping your space fresh and quiet.