Lasko 1128 Evaporative Recirculating Humidifier, 9-Gallon 3 speed evaporative recirculating humidifier for spaces up to 3200 square feet Disperses cool, clean, invisible moisture without white dust or over-humidification 4 1/2 gallon water reservoir is removable for easy filling Adjustable humidistat and on/off indicator light ETL listed with patented fused safety plug