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![3 Inch Back Draught Ducting Shutter with Snap-on socket](http://honguan.com/cdn/shop/products/4_76d4c8a6-cc6e-4f2d-aaf5-38d2f70e7c28.jpg?v=1698139801&width=1500)
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3 Inch Back Draught Ducting Shutter with Snap-on socket
- This backdraught shutter can be used as a part of a long duct run for a variety of purposes including whole house ventilation, passive stack vent, air conditioning, positive pressure, Tumble Dryer Venting, HVAC, and Heat Recovery Systems.
- Stops unpleasant odours, noises, or draughts flowing back through your duct,Perfectly suited for ducting Bathroom or Kitchen extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood.
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