These ventilators are used to exhaust generally clean air.
Roof top ventilators.
Downblast roof ventilators are designed for situations requiring a steady exhaust or supply of air under low to high static pressures.
Item 863694 model tob12sbr.
Filtered supply ventilators help supply filtered make up air in commercial or institutional buildings.
Heavy duty all welded belt direct drive roof ventilators.
This vent is designed to be used on 6 in.
Roof ventilators are designed to help exhaust contaminated air from kitchen range hoods up and away from the roof.
Turbine roof vent cover heavy duty waterproof turbine ventilator cover fit 12 in 20 in protector with nylon draw string jjz113 12in 12 x17 5 beige 4 0 out of 5 stars 18 12 88 13 99.
Some models feature a hinged hood to ease access to motor and drives for maintenance.
Air vent airhawk 12 in aluminum externally braced roof turbine vent.
It s made of zinc coated galvanized steel for durability and reliability.
Office buildings restaurants schools manufacturing facility and warehouse.