![back draught shutter](http://store.honguan.com/cdn/shop/products/Draft-Blocker_7a02c19d-9462-4a2d-adf3-fd135a8cfe9f.jpg?v=1687223389&width=1500)
![back draught shutter](http://store.honguan.com/cdn/shop/products/Draft-Blocker-Backdraft-Damper_c954f163-790e-4f20-8e32-93c747630e6d.jpg?v=1687223389&width=1500)
![Back Draught Shutter](http://store.honguan.com/cdn/shop/products/Back_draft_Damper_a63532e1-fee5-4d3f-b8d5-26a3fb9bc0fa.jpg?v=1687223389&width=1000)
![duct Back Draught Shutter](http://store.honguan.com/cdn/shop/products/Backdraft_Damper_aa1feb55-9975-4c66-9ec1-a143fa3a599b.jpg?v=1687223389&width=1000)
Draft Blocker Backdraft Damper Back Draught Shutter
Size:4 Inich
Quantity:
Description
- Male backdraft shutter is lightweight & compatible with Hon&Guan ducting.
- Easy to DIY. Designed to provide anti back draught, and fit in between Solid Plastic Ducting, Flexible Ducting.
- Application in domestic ventilation; kitchens, toilets,bathrooms & hydroponics.