Middle Atlantic CLS-COOL1 Closet Cooler (Passive Intake, Active Exhaust)The CLS COOL1 Closet cooler removes heat from closets where small rack systems are located. Two solid oak vents will be visible and can be stained or painted to match any room's dcor. This cooling solution runs only when needed, mounts to closet doors and includes an active exhaust and passive intake for closets with gaps. Features Extends equipment life Removes heat from closets housing equipment racks Brings in cool air and exhausts heated air