Beurer Illuminated LCD Display Air Cleaner and Air Humidifier, Air Purifier with Easy Washable Filter for Clean Air, 3 Speed Levels with Safety Shutdown, LW110 BREATHE EASY: with combined 2-in-1 air humidifier and purifier. Eliminate the need for multiple machines  the Beurer LW 110 does it all  it keeps the air you breathe at the optimal level of humidity while constantly filtering out everything you dont want to breathe! HUMIDIFICATION: In addition to purifying the air, the LW 110 also humidifies it, helping to keep the ambient level of humidity in the air in the optimal range of between 40 and 60 percent. Great for allergy sufferers, as air that is too dry can irritate sensitive nasal passages, worsening allergies. PURIFICATION: Clean the air of common allergens like dust, animal dander. Help to rid the room of odors. Creating a healthier home starts with air quality. VALUE: 3 different fan power levels are available for your selection. Water level indicator (for humidifier) and safety shutdown switch when the tank is empty are equipped. Easily read the screen from a blue backlit LCD display. Simple assembly and cleaning in dishwasher. ENERGY EFFICIENT: Air Washer & Humidifier consumes very low levels of energy and operates quietly and effectively in the background of your life. FILTER-FREE  Save yourself the hassle and expense of having to purchase additional filters and remember when youre supposed to change them. The Beurer LW110s design requires no replaceable filter, it runs at its top efficiency all the time.