Roof Selection & Installation

Constant Diameter Duct

Constant Diameter Duct design utilizes the additional fan capacity provided by Radical flow to reduce the size of main duct trunks and branches. Constant diameter Duct design is only possible with a fan impeller such as the Radical, that has exceptional performance regarding dynamic losses. Again, with the modern Australian home and business in mind, the Radical and the HUB together with constant diameter duct are designed to provide a powerful and efficient solution where ceiling space is minimal and standard duct runs can be difficult or previously considered impossible.

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