Vicks brand cool mist humidifier model V4450. Featuring: filter free saves time and expense of new filters 3 settings for maximum output or sound sleeping temporary relief of cough and congestion easy breathing and sleep in rooms that are too dry relief for itchy eyes and skin saves money on heating bills because rooms at proper humidity feel warmer stops dryout damage to plants, paintings and furniture for medium room size, 1 gallon capacity, operates 18-24 hours.