Dundas-jafine 4" Dryer Vent Draft Blocker
Item #: 3721011
$11.99 EA
- Constructed of high impact plastic
- Flaps opens when dryer is operating and shuts out cold air when dryer is not in use
- Air moves in one direction only - out of the house
- Designed to keep cold air from entering your home through the dryer
- Fits all 4" dryer vent ducting
- Easy to install
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