[WHAT TO GET]: Made of thickened canvas, the duct connector is wear-resistant, not easily deformed, and durable; it achieves a basic seal, providing leak prevention. The flexible duct connector minimizes vibration transmission from air handling units and fans in HVAC systems, thereby reducing operating noise.[WHEN/WHERE TO USE]: The duct coupling vent coupler is suitable for use in residential and commercial applications such as kitchen and bathroom exhaust fans, air handling units and duct connections, attic ventilation systems, dryer exhaust adapters and extension pipes, workshop exhaust systems and garage ventilation.[WHAT IT IS]: Inner Diameter of Interface: 150 x 150 mm / 5.9 x 5.9 inch; Length: 300 mm / 11.8 inch, Thickness: 1.4 mm / 0.06 inch, Packaging content: 1pcs x Duct Connector.
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