Twin Window Fan - Model 2137
This fan can be positioned for intake or exhaust.
The Lasko 2137 Twin Window Fan cools both day and night!
Set on exhaust during the day, the fan creates a refreshing indoor breeze that expels accumulating heat. Set on intake at night, it draws in the cool evening air. Fits most double-hung, casement, and sliding windows. Features a slim profile to maintain outside view, two quiet and energy-efficient speeds, expander panels for a custom fit. Fits windows from 22" to 34" wide and comes fully assembled for window use.
Dimensions: 21.4"L x 4.4"W x 0.5"H