LEVOIT Air Purifiers for Home Large Room Up to 1980 Ft² in 1 Hr With Air Quality Monitor, Smart WiFi and Auto Mode, 3-in-1 Filter Captures Pet Allergies, Smoke, Dust, Pollen, Core 400S, Black 𝐋𝐀𝐑𝐆𝐄 𝐂𝐎𝐕𝐄𝐑𝐀𝐆𝐄: The top-performing Levoit Core 400S Smart Air Purifier can purify large rooms, such as bedrooms, living rooms, kitchens, and basements. Purify a 403 ft² room 5x per hour and a 1980 ft² room 1x per hour 𝐖𝐇𝐈𝐒𝐏𝐄𝐑-𝐋𝐄𝐕𝐄𝐋 𝐐𝐔𝐈𝐄𝐓: Keep the Core 400S running throughout the night, as Sleep Mode uses the lowest fan speed (24dB) to create a sleep-friendly space that’s as quiet as falling leave 𝐂𝐎𝐌𝐁𝐀𝐓 𝐀𝐋𝐋𝐄𝐑𝐆𝐈𝐄𝐒 𝐀𝐍𝐃 𝐀𝐒𝐓𝐇𝐌𝐀: Powerful air purification during allergy and wildfire seasons helps capture allergens that cause sneezing, congestion, breathing difficulties, and other symptoms 𝐕𝐈𝐄𝐖 𝐀𝐈𝐑 𝐐𝐔𝐀𝐋𝐈𝐓𝐘: The laser dust sensor scans the surrounding air for airborne particles, continuously updating the PM2.5 display and creating graphs in the VeSync app so you can see how your air quality has improved 𝐓𝐑𝐔𝐒𝐓𝐖𝐎𝐑𝐓𝐇𝐘 𝐀𝐍𝐃 𝐒𝐀𝐅𝐄: The Core 400S is Energy Star, FCC certified, ETL listed, German Design Award (2021) and iF Design Award (2021). Only use Levoit replacement filters *Used, cleaned, and in excellent condition with no damage. No filter will be included.