Repa Market 4 Inch Backdraft Damper Galvanized Steel Inline Duct Blocker
Next-day delivery · £1.99
Order by 2pm for same-day dispatch · FREE over £35
Standard UK DeliveryFREE — get it by Sat 31 Oct – Tue 3 Nov
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About this item
Key Features
- Brand: Repa Market
- Diameter compatibility: Fits Ø4 Inch (100 mm) round ducts
- Insertion diameter: 3.89 inches (99 mm)
- Total width: 3.46 inches (88 mm)
- Construction: Heavy-duty galvanized steel
- Function: Automatic backdraft control with spring-loaded flaps
- Orientation: Installed horizontally for optimal one-way airflow
- Applications: Suitable for HVAC, dryer vents, kitchen exhausts, bathroom fans, range hoods, and heating ducts
Specifications
- Material: Galvanized steel
- Configuration: Inline backflow damper / backdraft shutter
- Direction: One-way airflow (outflow direction only)
- Fitment: Round metal ducts, rigid or flexible
The Repa Market 4 Inch Backdraft Damper provides reliable, airtight performance with a smooth spring action to prevent rattling and air leakage. Designed for continuous use in residential and commercial ventilation systems while maintaining efficient operation.
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Condition Brand new
Free UK delivery · 3–5 days
Get it by Sat 31 Oct – Tue 3 Nov
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Repa Market
£11.95