Chimney Humidifier - Light Green Features an automatic low-water and tip-over shut-off for safety Includes charcoal filter and dust filter for sterilized mist (Silver Clean technology) Tank capacity: 0.5 gallons; floor coverage of 12 x 12 Materials: ABS polypropylene (body and pipe), polystyrene (water tank) Dimensions: 43.5h x 5.5w x 5.5"d - weight: 4.5 lbs