Crane Ultrasonic Cool Mist Humidifier for Bedroom, Baby Nursery, Kids Room, Plants, or Office, Large 1 Gallon Tank, Filter Optional, Green - LARGE ROOM HUMIDIFIER: The Crane Drop Ultrasonic Humidifier features an easy-to-clean, detachable tank that holds one gallon of water to humidify bedroom, nursery, or indoor spaces up to 500 square feet for 24 hours - ADJUSTABLE HUMIDITY: This air humidifier features an optional filter slot and variable controls to set optimal humidity levels when used as a plant humidifier, baby humidifier, bedroom humidifier, or as small humidifier for the office - SOOTHE SEASONAL ALLERGIES: Add humidity to your dry living spaces and pair with relaxing steam inhalers that help fight cold and flu symptoms all year round and make wellness a priority - AUTOMATIC SHUT-OFF: Each small humidifier has an automatic shut-off safety feature - DROP SHAPE COLLECTION: We offer a collection of air humidifiers, humidifiers for women, men, and kids, and evaporative humidifiers in a range of colors to find the right large or small humidifier for your home, nursery, office, or bedroom