Description
J Flange is used with butyl gasket to form an airtight seal and structurally support duct walls. Designed for the largest and heaviest ductwork.
J Flange is used in combination with butyl gasket to form an airtight seal and structurally support duct walls.
J Flange is used with butyl gasket to form an airtight seal and structurally support duct walls. Designed for the largest and heaviest ductwork.