I would make sure that the opening is the dryer vent. Warm air should come out when the dryer is running. I have never seen a 2 inch dryer vent.
They are usually 4 inches and it would be a problem if the installer connected a 2 inch pipe to a 4 inch dryer vent. But, Amazon sells several 2 inch round vent covers that have louvers and an insect screen. You may not need a flapper.
Last edited by retiredguy123; 11-07-2018 at 08:03 AM.
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