Breathe comfortably in a moisturized home with the HUME Max Top Fill Humidifier from Pure Enrichment. Unlike other ultrasonic humidifiers, this true top fill design takes the mess out of refills and at almost a 1 gallon capacity, spends more time keeping your home at the ideal climate for up to 30 hours. Add an essential oil of your choosing to take advantage of the oil diffuser component to create a space luxuriously catered just for you. A TANK BUILT FOR EASE: Our cool mist humidifier helps alleviate the effects of dry air longer with its innovative design, making refills easier. The wider base eliminates hard-to-reach components so cleaning is a breeze. MIST SETTINGS FOR EVERY PREFERENCE: At a performance level providing 10 ounces of output per hour, this powerful humidifier stylishly complements any room with low to high mist settings for rooms up to 300 sq ft. YEAR LONG COMFORT: Bask in the benefit that only a top-notch humidifier provides a home, office, or nursery. With a consistently regulated climate, sleep better and gain relief from cold-like symptoms and sinus issues. Prevent harmful dry air, day or night with HUME Max. Product Specifications: Size: 7.8" x 7.8" x 11.4" Max Run Time: 30 hours (Low); 12 hours (High) Coverage: Up to 300 sq. ft. Tank Capacity: 3.7 liters (1 gallon)