Item 863694 model tob12sbr.
Rotary roof ventilator.
It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience.
Galvanized steel construction helps provide for strength and durability.
A durable wind driven turbine attic ventilator from grainger helps to remove hot attic air in summer and moisture laden air in winter.
Wind turbine attic vent turbine roof vent built in thermostat roof turbines black roof turbines roof toppers roof t tops.
Some models feature a hinged hood to ease access to motor and drives for maintenance.
How doers get more done.
Roof ventilators are designed to help exhaust contaminated air from kitchen range hoods up and away from the roof.
Because the rotary roof turbine vents are completely wind driven they require no electrical operating or wiring costs.
Air vent airhawk 12 in aluminum externally braced roof turbine vent.
Filtered supply ventilators help supply filtered make up air in commercial or institutional buildings.
Turbines can rotate with the breeze to help create a strong upward draft that can draw inside air up and out.