WEN Dry Dust Collector with Polyester Filter

Dry Dust Collector with Polyester Filter. Circulate the air in a 1000 sq. ft. room up to 7.5 times per hour. 3-speed operation flows air at a rate of 556, 702, or 1044 cu. ft. per minute. Includes a 1-micron filter and a 5-micron pre-filter, both of which can be easily replaced. Programmable timer automatically shuts unit off after set number of minutes. Remote control allows users to set timer, change speed and power the unit on and off from up to 26 feet away