The indoor portable evaporative air coolers evenly distributes cool air through the honeycomb cooling media while the dust filter cleanses the air. Its non-compressor system cools naturally, efficiently and inexpensively without power-hungry components. This evaporative air cooler, humidifier, and fan is versatile, lightweight and economical. It can also be used as a air purifier because of its anion generator. This air cooler easily rolls from room to room for use anywhere in your house or office.