Cold & Allergy Relief: This easy-to-use, ultrasonic cool mist humidifier provides 12-50 hours* of continuous mist for all-day comfort and long-lasting relief from cold symptoms, congestion, allergies, dry itchy skin, sinus issues, and more. The slim, compact design fits right in with any decor and complements your home style. Easy-Clean Water Tank: The large, 3.5L water tank opening makes it easy to hand wash the inside of the tank to remove buildup and keep the humidifier operating at maximum efficiency—no special brushes or tools needed. Perfect for Large Rooms: Safely moisturize the air in spaces up to 475 sq. ft. This ultrasonic humidifier holds up to 3.5L of water; making it great for adding moisture to living rooms, basements, bedrooms, nurseries, or any large space that needs powerful humidity. Rotating the mist control knob gives you the flexibility to adjust moisture output incrementally to meet your comfort level. Whipser Quiet: Designed for a restful night, the silent operation barely makes any sound and features no bright lights so you sleep undisturbed. For added safety, the automatic shut-off function instantly turns off the humidifier when the water level is low or the tank. 5-Year Manufacturer's Warranty: This BPA-free humidifier comes with an ETL-approved AC adapter, user manual, and Pure Enrichment’s guaranteed 5-Year Manufacturer's Warranty. Our customer support team provides daily quality service and peace of mind to millions worldwide all from a brand you can trust. Experience powerful dry air relief in large and medium-sized rooms with the sleek and modern HUME Ultrasonic Cool Mist Humidifier from Pure Enrichment. The large 3.5L tank eases congestion, allergies, & dry skin for up to 50 hours*. Moisturize rooms up to 475 sq. ft., including your living room, nursery, bedroom, office, basement, and more. The whisper quiet design and auto shut off features make it ideal for overnight operation. Plus, it has an adjustable mist nozzle to switch mist flow and a variable mist control design you can modify with a turn of the dial. Pop off the top nozzle and flip it around to change mist direction. The humidifier has a twist-off water tank cap and a large opening for easy cleaning so you can hand wash the inside and extend the life of your humidifier. With a 5 year warranty, 3.5L water tank, and long power cord, this powerful humidifier lets you enjoy year-round comfort. *Run time may vary depending on water quality, room temperature, and the amount of water in the tank. ・Steady Mist Output: Turn the dial to select the moisture output that works best for each room ・Whisper-Quiet Operation: Silent operation of <35dB is quiet enough for a nursery or bedroom ・Compatible with HUME Decalcification Filter: Make cleaning even easier by picking up the compatible decalcification filter (sold separately)