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.
Roof top ventilators.
Heavy duty all welded belt direct drive roof ventilators.
Air vent airhawk 12 in aluminum externally braced roof turbine vent.
This vent is designed to be used on 6 in.
Item 863694 model tob12sbr.
The black finish helps this vent blend into your home s rooftop.
Downblast roof ventilators are designed for situations requiring a steady exhaust or supply of air under low to high static pressures.
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Some models feature a hinged hood to ease access to motor and drives for maintenance.
These ventilators are used to exhaust generally clean air.
It s made of zinc coated galvanized steel for durability and reliability.
Filtered supply ventilators help supply filtered make up air in commercial or institutional buildings.