DuraStack® Pro
Models DIS and DAS. Modular Double-Wall Positive Pressure Chimney for Boiler Breeching, Stack and Engine Exhaust, and Grease Duct.
![](uploads/images/layout/learn.jpg)
DuraStack®
A modular double-wall positive pressure chimney system. Factory built for boiler breeching, engine exhaust, and chimney stack. Grease duct (DIS only)
![](uploads/images/layout/learn.jpg)