The fan in your link is an attic vent fan.... One does not usually do whole room evacuation....
The typical fan used in lampwork ventilation is the squirrel cage or turbine fan usually attached to duct work extracting the fumes from area where torch is burning and by using a fume cabinet, traditional hood or a large funnel style collector attached to the fan by duct work...
Squirrel cage fan....
Turbine fan...
Dale
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Vendor-Artist-Studio-Teacher Registry
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San Francisco - A Few Toys Short of a Happy Meal