VARIABLE SPEED SETTINGS: No matter the humidity level you would like to achieve we've got you covered. The Crane USA Adorable cool mist humidifiers offer variable output settings and an adjustable 360-degree mist lid making it easy to send the mist in any direction. The mist output is perfect for humidifying rooms up to 500 square feet, which is a standard medium to large-sized room WHISPER QUIET: Crane USA's Adorable humidifiers run whisper quiet which makes it the perfect option for light sleepers, kids, and especially babies. This adorable humidifier is made with clean controlled anti-microbial material which reduces mold and bacteria growth by up to 99.96% ONE GALLON TANK: The 1-gallon tank fits under a standard kitchen or bathroom sink, and has an easy-to-carry handle at the top. Our humidifiers are filter free, but we offer an optional demineralization filter (HS-1932) for those with excessive minerals in their water that screws directly into the tank up to 500 sqft