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sexobon · 07-29-2018, 08:18 PM

There are things called damper (in round pipe) to duct (square or rectangular vent) adapters that look a lot like that.

07-29-2018, 08:18 PM	#14
sexobon I love it when a plan comes together. Join Date: Oct 2009 Posts: 9,793	There are things called damper (in round pipe) to duct (square or rectangular vent) adapters that look a lot like that.