













💨 Upgrade your airflow game — because your space deserves the best fit!
This galvanized steel duct reducer seamlessly connects 8-inch to 6-inch round ducts, enhancing airflow efficiency in ventilation systems across bathrooms, kitchens, and HVAC setups. Engineered for durability and easy installation, it’s the go-to adapter for professionals seeking reliable, high-performance ducting solutions.




| ASIN | B099KJ64HV |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #14,588 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #16 in HVAC Ducting |
| Color | Silver |
| Customer Reviews | 4.5 4.5 out of 5 stars (581) |
| Date First Available | July 15, 2021 |
| Item Weight | 10.5 ounces |
| Manufacturer | Kikerike |
| Material | Alloy Steel, Metal |
| Number Of Pieces | 1 |
| Package Dimensions | 8.15 x 8.07 x 3.5 inches |
| Part Number | DA-8in to 6in |
| Size | 8" to 6" |
C**Y
Well built
Awesome product, couldn't find in stores. Worked great
L**Y
Good fit
Perfect fit for my application. Very sturdy product. Packaged good.
J**Y
Good product!
Needed this for my ac unit. Fit good. No issues. As expected. I didn't want the plastic one so I got and liked this one.
J**N
Fits 8" AC Infinity fan to reduce to 6"
For anyone trying to reduce the input and/or output of an 8" AC Infinity fan, these fit perfectly over the fan inlet and outlet. They fit so good you could probably get away without a tape seal. This was hard to tell if they would work, so I took a chance and these are cheaper than the AC Infinity ones that have mixed reviews on even fitting.
A**N
Worked
I dont know HVAC so this might be my fault. the end is exactly 6" & so was the output on my bathroom fan. So I had to crimp one in order to fit it in the other. Still worked.
A**R
Ok
It worked
E**W
Perfect
Perfect
E**8
Off by 3/16 of an inch
I can confirm this fitting is off by 3/16 of an inch making it unusable for my vent fan. I'll need to return it
T**N
All good
T**.
Fit perfectly, used it for fixing a upright air Conditioner
B**T
Could not find one in the hardware stores. Was able to find one here Amazon is great to find all that you need and don’t need It was good quality no issues
I**N
I purchased this 10" to 6" Air Duct Reducer and, overall, it got the job done. When it arrived, a few sections were slightly bent, so I had to straighten them out before installation. It also wasn’t a perfect fit, so my installer had to seal some gaps with foil tape to ensure there were no air leaks. Despite these minor issues, once everything was in place, the reducer functioned as intended. If you’re facing the same need to reduce from a 10" duct to a 6" duct, this product can certainly work—just be prepared to do a bit of tweaking and sealing. I’d still recommend it for anyone who needs a quick, reliable solution, as long as you’re aware you may have to make minor adjustments to get the best fit.
L**N
Good quality product. Fits correctly and a fraction of the cost of a big box hardware store.
Trustpilot
2 weeks ago
2 months ago