Transfers air from rooms that are too hot or cold. Supplied with 2-speed switch and 10 ft cord for ease of installation.

The Thruwall fan balances temperature in adjoining rooms, quietly and efficiently, for year round comfort. A telescoping housing is supplied that allows for installation in walls from 3 1/2" to 6 1/2" thick. Low speed is 160 CFM, high speed is 200CFM. Requires 8" hole diameter.