THE THRUWALL™ ROOM TO ROOM FAN™ TW108 MOVES COOL AIR IN THE SUMMER AND WARM AIR IN THE WINTER

The ThruWall™ Room to Room Fan balances temperatures in adjoining rooms, quietly and efficiently, for year round comfort.                  
• Quiet operation
• 2-Speed switch: 200 CFM on high speed,160 CFM on low speed
• The ThruWall's telescoping housing installs in frame walls from 3½" to 6½" thick
• 10 foot long grounded cord
• 12 month limited warranty
• Hole Diameter: 8 inches