The Flexflow Elbow (patent pending) ensures that a flexible duct connection to a diffuser maintains its proper shape for maximum airflow, says the company. It works as a brace to hold ductwork in ...

CHICAGO - It seemed that everywhere you looked at the 2006 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo), there were new duct, grille, register, and diffuser offerings.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. E! Entertainment’s E! News studio uses an overhead HVAC system with a tapered diffuser. Photos ...