All air duct installations for heating, cooling or ventilation are attached to mechanical equipment containing a fan or blower. Vibrations, noises and rattles resulting from operation of the fan or blower are transmitted into the metal ducts which can carry noise throughout the system. In order to isolate the vibration and noise to the source, an airtight flexible joint, consisting of a fabric which is attached to sheet metal on both edges, must be inserted between the equipment and the ductwork. This vibration isolator is called a flexible duct connector.

Duro Dyne® Metal-Fab® Grip Loc™ Flexible Duct Connector, Grip Loc Connection, 12 lb Tear Strength, 500/450 lb Tensile Strength, 24 ga, Woven Fiberglass, Neoprene-Coated, Black, 100 ft L, -40 to 200 deg F

• Extremely-resistant to alkalies and gasoline
• Excellent on systems exposed to toxic fumes
• Good general purpose fabric
• Unaffected by mildew
• Neoprene coating
• 30 oz/sq-yd weight

• Catalog https://assets.unilogcorp.com/267/ITEM/DOC/Duro_Dyne_10011_Catalog.pdf
• Specification Sheet https://assets.unilogcorp.com/267/ITEM/DOC/Duro_Dyne_10011_Specification_Sheet.pdf