Draft Blocker Backdraft Damper Back Draught Shutter
Size:4 Inich
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.
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