Lasko 2155A electrically Reversible Window Fan, 16-inch

Air flow direction changes with a simple turn of the dial. Fits double hung style windows 26.5??? to 34.5??? wide and at least 22??? high only. Lasko; 100 years of quality, comfort and durability. Laskos No. 2155A 16" Electrically Reversible Window Fan will powerfully pull hot air out of the house or blow cool air in.