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8lug · 12-06-2018, 06:45 AM

I installed a 1200 cfm inline fan in the attic over my office. I used 12 inch hvac flex duct to exhaust the smoke to the outside. I open a window for makeup air. Can easily handle 4-5 guys smoking at one time.

12-06-2018, 06:45 AM	#3
8lug Smoking with the Chief Join Date: Oct 2008 First Name: Mark Location: Masshole Posts: 792 Trading: (14)	Re: Air filters & you: The for cleaner air. I installed a 1200 cfm inline fan in the attic over my office. I used 12 inch hvac flex duct to exhaust the smoke to the outside. I open a window for makeup air. Can easily handle 4-5 guys smoking at one time.