
Master Flow Goose Neck 7-in x 9-in Black Galvanized steel Vent and Pipe Flashing
3.4
12 Questions
Read All Questions & AnswersIs there a flap in there to keep cold air from coming in?
1
Yes, there is an aluminum gravity damper flap. If you have any other inquiries about our Master Flow products please call Technical Services at 800-211-9612.
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