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Feature

Dual blade operation
Independent electronically reversible motors allows for air intake, exhaust, or air exchange
Two speed settings
Designed to fit most double hung and slider windows
The extender permits a custom fit; 12-1/4 inches high overall, with 8-1/2-inch fans

Description

This double window fan draws in fresh, cool air from the outside or exhausts stale, hot air from inside. It can also do both simultaneously because each of the two fans can be set independently to draw in or exhaust out, allowing the unit to exchange inside and outside air. Operable either manually or automatically--with its thermostat turning the fans off and on to maintain a selected temperature--the unit has a one-touch electronic control and two speeds so it can be adjusted to conditions. The fans have six blades and measure 8-1/2 inches in diameter. Overall, the unit is 12 inches high, arrives fully assembled and carries a three-year warranty against defects.

Holmes HAWF2043 Twin Window Fan:

Draws in cool air, exhausts hot air or exchanges air with outside One-touch electronic control: two speeds and temperature selection Thermostat turns fan off/on to maintain selected comfort level

Dimensions: Measures 25 in x 12 in. x 5.7 in.

Take Care: This window fan has been designed to fit double-hung windows with minimum openings of 25 inches (63 cm) wide and 12 inches (30 cm) high. NOTE: THIS FAN IS DESIGNED AND RECOMMENDED FOR USE WITH A SCREEN IN THE WINDOW