ABC Products
✓Price
$39.99
5" to 4" Inch / 125 to 100 mm Round Galvanized Steel Duct Reducer - Duct Fitting - Pipe Increaser Reducer - Metal Tube Reducing Coupling for Drain, Waste and Ventilation (5 to 4 Inch)
★★★★★
$39.99
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About this item
- Galvanized Steel 125 mm Male to 100 mm Male Round Ducting Adaptor / 5" (4.92") to 4" (3.93")
- Can be used with HVAC systems, bathroom extractor fans, inline ventilators, cooker hoods, tumble dryers, hydroponics, kitchens or, anywhere else in the apartment, home or office space.
- Sturdy Steel ducting is perfect for DIY and Trade use.
- Works as a reducer or increaser; Male to Male fit; Ensures secure fit for ventilation fans, dryer ducts, and exhaust vent pipes while maintaining high airflow efficiency.
- Perfectly suited for ducting your Tumble Dryer, Bathroom or Any type of extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood.
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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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