The Cleva Pure? Air Purifier helps to create a cleaner, healthier and safer nursery for you and your little one. Designed especially for babies and young children, this whisper-quiet air purifier eliminates airborne irritants, ensuring cleaner air in your nursery, even while your baby is sleeping. The Cleva Pure? Air Purifier comes equipped with an ozone-free, medical-grade HEPA H13 filter to trap and destroy 99. 95% of airborne particles, allergens and odours including asthma and allergy triggers such as dust, pollen, pet dander, mould, bacteria, VOC?s, dust mites, fumes, smoke, and unpleasant odours. Features: 3-layer medical-grade HEPA H13 active carbon filter? Ozone free ? safe for your baby? 3 stage air-quality indicator ? Good, Moderate, Poor?? Control with touch or App - Compatible with Alexa & Google Home? Works with Smart Life App from your phone?? 2/4/8hrs timer? Whisper-quiet for the nursery at 30-55DB?