Unlike the turbine, the 303 static ventilators do not require to rotate to prevent water or snow infiltrations. Its unique storm proof deflector system prevents infiltrations while at the same time capturing the wind flow from any direction and at velocities as low as 4 miles/hr. With the combination of technology, wind and pressure differentials, a “chimney effect” results in drawing the air and moisture out and replacing it with fresh new air that enters through the soffits.
| With as little as a four miles per hour wind, this ventilator is creating an air exchange rate of 266 C.F.M. |
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| It’s recommended ventilation capacity is 700 to 800 sq. ft. | |||||||
| Just one of these ventilators can replace two 12-inches turbines. | |||||||
| A bonus feature to the 303 is it’s wire mesh to prevent infiltration of unwanted rodents and birds. | |||||||
| Made for residential buildings, built tough for industrial use: lifetime limited warranty. | |||||||
| The model is adjustable to roofs with slopes varying between 2/12 to 15/12 | |||||||
| Standard colours: brown, black and grey. A limited selection of special colours is available at a slight premium. Click here to view your special colour options |
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Click here to view a document on the Model 303 for Sloped Roofs (PDF, 80 KB)