Thread: Suppliers for ventilation
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Old 2011-01-16, 7:27pm
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houptdavid houptdavid is offline
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Quote:
Originally Posted by Flonche View Post
Marginal? What does it mean?
Air Volume (CFM) 472 at 0.0" static pressure, 440 at 0.2" static pressure, and 408 at 0.4" static pressure

440 CFM is marginal, in a 2'x30" hood you should have a minimum of 500cfm for a small torch.

That is why most range hoods do not work as they are generally less than this.
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