WBM Smart Air Purifier Create purified ambience and healthier life. 3 in 1 Filtration function 1-pre-filter, 2- true HEPA filter and 3- activated carbon filter captures the allergies and pets, Smokes and remove 99. 97% of pet dander, dust, pollen, odor, mold, etc. 3 Speed setting (low, medium, and high) provide options for various conditions. One key to turn on/off the LED light when night sleeping, meets your habits and performance. Press child lock button for 3s to start lock mode, prevents your baby from wrong use. Effectively improving indoor air quality and freely enjoying fresh air at home. Unique size and contemporary design make air purifier suitable for small, medium rooms, office and dorm, serving you both for practical air purifier and lovely decor. WBM SMART Air Purifier Replacement HEPA filter – Captures large particles such as pet fur, pet dander, lint, fibers and hair. HEPA Filter – Filters small particles Activated Carbon Filter – Adsorbs unwanted odors and fumes such as pet odors, cooking smells smoke, ammonia and VOCs.