Master Flow® Oval‑ to‑Round Boot Specs
Master Flow® Oval‑ to‑Round Boot Docs
Master Flow® Oval‑ to‑Round Boot Videos

Strong
Made of zinc-coated galvanized steel

Useful
Provides a straight transition from an oval pipe to a round pipe or insulated flexible duct

Flexible
Good alternative to a stack (riser) duct
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.