Master Flow® Rectangular Stack Head Specs
Master Flow® Rectangular Stack Head Docs
Master Flow® Rectangular Stack Head Videos

Easy Installation
Install with sheet metal screws

Strong
Made of zinc-coated, 30-gauge galvanized steel

Versatile
Designed to move air from rectangular stack duct to a sidewall air register or grill
Product availability is subject to change without notice. Not all products are available from all facilities.
Get automatic Lifetime Protection on your entire GAF roofing system
When you install any GAF Lifetime Shingle and at least 3 qualifying GAF accessories, you'll automatically get a Lifetime limited warranty on your shingles and all qualifying GAF accessories*.
Where to buy
Find a GAF distributor near you.