About Master Flow™ Aluminum Replacement Heads - Internally-Braced
The GAF Master Flow™ Aluminum Replacement Head - internally braced, is an easy-to-install turbine accessory. They allow damaging heat and moisture to escape your attic. They are designed with upper and lower steel ball-bearing systems for trouble-free operation.
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DURABLE
Manufactured with aluminum construction -
GREAT PROTECTION
Double-ribbed vanes, with convex top, direct wind-driven rain away from the unit -
VENTILATES
12” size allows heat and moisture-laden air to escape from your attic, which can help to extend the life of your roof
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