#34 in Roofing vents
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Reddit mentions of DUNDAS JAFINE DB4ZW Dryer Vent Draft Blocker
Sentiment score: 0
Reddit mentions: 1
We found 1 Reddit mentions of DUNDAS JAFINE DB4ZW Dryer Vent Draft Blocker. Here are the top ones.
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Prevents cold air from entering the house through the clothes dryer. Flap opens when dryer starts, then flap closes when dryer stops. To install, slide ducting over draft blocker collar and attach with a clamp (clamp not included). Press other end of draft blocker into aluminum vent pipe as a friction fit. Made of durable plastic. Retail bag
Specs:
| Height | 7.2 Inches |
| Length | 9.5 Inches |
| Number of items | 1 |
| Size | Pack of 1 |
| Weight | 0.15 Pounds |
| Width | 2.4 Inches |
This might work to block off each part of the Y automatically.