humidifiers for bedroom <br> Product Model: PH-405-48 <br> Water Tank Capacity: 4L <br> Rated Input: AC120V <br> Rated Wattage: 28W <br> Fog Amount: 110-220ml/H <br> Material: PP/ABS <br> Applicable Area: 20-40SQM. <br> Product Size: 270X148X257mm. <br> Net Weight: 1.3KGS.<br> <br> <br> This 4l humidifier could be using to: living room, office, bedroom, dorm. Important Note:<br> 1. Use distilled water or filtered water instead of tap water, use tap water might leave white dust.<br> 2. Clean once a week to avoid buildups and extend product lifetime.<br> 3. The minimum amount of water needed for the humidifier to function is 2 cups around(380ml).<br> 4. It is recommended to place the humidifier on elevated-level surfaces such as desktops, tables, or nightstands.<br> 5. The aromatherapy cotton in the essential oil tray is a disposable item. We suggest that replace it every day, Tissue also available if there is not aromatherapy cotton.