ABC Products
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$40.99
Repa Market Plastic White 3" to 6" Inch Universal Duct Reducer Increaser - Inline Pipe Connector, Vent Adapter 3" 4" 5" 6" Inch // 80-150 mm - Ventilation Pipe Ducting Reducer, Duct Connector Adapter
★★★★★
$40.99
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About this item
- UNIVERSAL REDUCER CONNECTOR – Multi-size 150mm to 125mm reducer, 150mm to 120mm reducer, 150mm to 100mm reducer and 150mm to 80mm reducer for HVAC ducting. Step adapter fits multiple round ventilation pipe diameters: 150 / 125 / 120 / 100 / 80 mm (6" to 5", 6" to 4.9", 6" to 4.7" and 6" to 4").
- ROBUST PLASTIC BUILD - The duct pipe adapter is made of lightweight plastic and is rust free. Temperature resistance from -5 °C up to +90 °C.
- ALL IN ONE - This is a very practical robust, solid duct reducer or increaser which can be used when connecting two different, rigid or flexible hose, round ventilation pipe diameters. Different size pipe transition for heating or cooling, intake or exhaust ventilation.
- SIMPLE INSTALLATION - Measure the different diameters of the ducts and then cut the duct reducer to the size needed. Insert the duct connector into or on the the pipes and then push them together. Duct tape or flexible duct hose clamps may be required for a perfect seal. Tools for cutting are not provided.
- FOR COMMERCIAL OR HOME IMPROVEMENT - 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. For house, garage, bathroom, kitchen or shed ventilation.
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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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