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8-Inch Circular Inline Backdraft Damper - Butterfly Action Draft Shutter, 200mm - Airflow Control
125mm (5") Round Ducting Connector with Damper (inline backdraft shutter)
Kair Connector with Backdraught Shutter 125mm - 5 inch Non-Return Damper Flap to Connect Duct Pipe or Flexible Ducting Hose
Showing 3 of 4 products