PROflex is a flexible duct connector designed to isolate equipment noise and vibration from the ductwork, consisting of a fabric secured to sheet metal on both sides. Typically, the connector is ...

It says, “Length limitation: Factory-made flexible air ducts and connectors should not be more than 5 feet (1,524 mm) in length and shall not be used in lieu of rigid elbows or fittings.” The ...

What are flexible duct connectors? Flexible duct connectors are the airtight flexible joints comprising a sheet of "fabric" which is secured on both sides by sheet metal, typically G-60 (or in the ...