Whole House Fan: Ceiling Mount, 30 in Blade, 7,600 cfm Max., 1,200 sq ft Coverage, Belt Drive Just use a standard window

Just use a standard window cleaning solution

and constructed with featues that have made Starrett slide calipers the machinist's first choice for many years

ConnectionScrew

Measure distances of up to 100 ft

Outside Width15"

Whole House Fan: Ceiling Mount, 30 in Blade, 7,600 cfm Max., 1,200 sq ft Coverage, Belt Drive Just use a standard windowWhole House Fan: Ceiling Mount, 30 in Blade, 7,600 cfm Max., 1,200 sq ft Coverage, Belt Drive Brand DAYTON Blade Diameter 30 in Maximum Coverage Area 1,200 sq ft Maximum Airflow 7,600 cfm Maximum Noise Level 14 sones Bearing TypeBall Bearing Blade Material Steel Drive Type Belt Drive Fan Style Whole House For Cut Out Height 34 in For Cut Out Width34 in Full Load Current6. 7 A Number of Speeds2 Housing Material Steel Motor Enclosure Open Dripproof