I tried this but it doesn't work well on my dryer becasue the vent pipe is 20 feet long with 3-04 bends - too much resistance for this model. This should work well on short runs vents however and it is well made and "critter" resistant....
Works better than expected. Experienced remarkable heat retention in cold weather with very noticeable increase in comfort.
Easy to install, and the flow is as good, if not better than, the original conventional flapper vent cover. Also very durabl...
The product appears to provide very little restriction to the dryer vent exhaust and a moderately better seal against heat loss (metal dampers tend not to seal properly and plastic dampers can stic...
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