The Crane 1 Gal. Collapsible Cool Mist Humidifier is a first-of-it’s-kind humidifier. Not only does it offer the ease of a top fill tank, but the collapsible design offers easy and compact storage when not in use. It provides up to 15-hours of soothing moisture to help relieve the effects of dryness and congestion, helping you and your family sleep through the night peacefully.