•Ideal Room Size: Completely refresh your air 2x per hour in a 178 sq ft space. •3 Fan Speeds: Cycle through low, medium, or high fan speed with one simple button. •Check Filter Indicator: The Check Filter Indicator will light up when it’s time to check and/or replace the filter. •3-Stage Filtration: Trap at least 97% of airborne particles 0.3 microns in size, such as pollen, dust, and pet dander. •Only Fresh Air: The Activated Carbon Filter helps neutralize smoke, fumes, and household odors. •Aromatherapy: Add a few drops of your favorite essential oils to the aroma pad. Description Perfect for bedrooms, offices, or any 178 sq ft space, the Levoit Core Mini Air Purifier keeps your room fresh without taking up much space. With 3-stage filtration, it uses a Pre-Filter, Personal HEPA Filter, and Activated Carbon Filter to filter at least 97% of airborne particles 0.3 microns in size, such as pollen, dust, smoke particles, and pet dander. Add fragrant essential oils to the aroma pad, and cycle through 3 fan speeds with one simple button. The Check Filter Indicator will let you know when it’s time to check and/or replace the filter. Dimensions (Overall): 10.4 Inches (H) x 6.5 Inches (W) x 6.5 Inches (D) Weight: 2 Pounds Number of Settings: 3 Wattage Required: 7 Watts Filter Type: HEPA Industry or Government Certifications: No Certifications Room Size Range: 100-300 sq. ft. Allergens Captured: Mold Spores, Bacteria, Pollen, Pet Dander, Fireplace Smoke