This all-purpose unit filters airborne particles, chemicals, gases, and odors. It features a cylindrical shape for maximizing air flow and a four stage powerful filtration system that uses 7 lbs. of activated MAC-B carbon. p> Great for the artist on the go, the Air Tube is perfect for use in the home, studio, office, and even the car or wherever you travel. The Air Tube comes with three filters: one carbon filter, one HEPA filter, and one pre-filter. Dimensions: 16 in. high x 11 in. deep Free Flow: 100 cubic feet per minute Max Covered Area: 400 sq. ft. Air Tube replacement carbon filters and HEPA filters are sold separately.

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