AZITICY 100mm Connector with Backdraught Shutter – 4 Inch Backflow Flap Draft Blocker Non-Return Damper (100mm)

$52.99

  • The check valve housing is made of galvanised steel, the flap blades are made of aluminium.
  • Pipe connector with backflow valve prevents the return flow of the exhaust air or cold outdoor air from entering in.
  • The flaps open when the fan blows the exhaust air outwards and closes automatically as soon as the air flow breaks.
  • The flaps must be aligned horizontally for optimal closure.
  • Versatile applicable in all supply and exhaust air systems, such as air conditioning systems, dryers, extractor hoods and ventilation systems.

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Additional information

Weight 0.11 kg
brand

Aziticy

dimensions

‎12.4 x 10.9 x 10.5 cm; 110 Grams