ABC Products
✓Price
$23.99
AirTech-UK Extractor Fan Non Return Valve 100mm 4"
★★★★★
$23.99
Quantity
1
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About this item
- Prevents Backdraft: Protects your ventilation system by stopping unwanted airflow from returning into your home or building.
- One-Way Airflow: The valve design ensures air flows in one direction, venting only to the outside, promoting a fresh and comfortable environment indoors.
- Multiple Sizes: Available in 100mm (4"), 125mm (5"), and 150mm (6") to fit various ducting systems.
- Perfect for Common Ventilation Ducts: Ideal for systems where multiple rooms share a common ventilation duct, preventing backflow from other areas.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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