Lasko Electrically Reversible Twin Window Fan with Remote Control, 9 INCH, White
Brand: Lasko
Color: White
Twin window fan fits windows from 22-inches to 32-inches
Two side-by-side 9-inch fans with independently-controlled motors
Intake: Both fans bring fresh air in
Exhaust: Both fans push stale air out
Exchange: One fan brings fresh air in and one pushes stale air out