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Your cart is empty.A ducting cone designed for adapting ductwork to equipment like bathroom fans and dust collectors. Maintains airflow efficiency by creating a seamless connection between two different sized duct openings. Raised lips on the smaller opening for extra grip on ducting or your equipment’s duct opening. Galvanized steel body that is corrosion-resistant and can withstand high temperatures. Adapts 6 inches to 4 inches | Product Length: 5.11 inches | Finish: Zinc Coating Product Description A ventilation ducting tool designed to fit different-sized duct hole openings together, connecting smaller ducting to bigger fans and vice versa. Using this duct adapter to connect your ventilation fans to your ducting will help retain your system’s CFM efficiency. It features a raised lip on the reducer end to provide extra grip on ducting or duct openings, while the increaser end features a flat brim to achieve a flush fit. The galvanized steel body is finished with a zinc coating that aids in its resistance to corrosion and high temperatures. Applications The duct adapter is a versatile tool that can be retrofitted with a variety of different-sized ducting and fans. It is commonly paired with bathroom exhaust fans and dust collection units to adapt them to smaller ductwork as a reducer. Other adaptation projects include range hoods, tumble dryers, grow tent ventilation systems, and connecting smaller ducts to bigger ducts. Product Identification Manufacturer AC Infinity Inc. Product Name Duct Reducer 6" to 4" Adapter Product Model AC-SDR64 UPC Code 819137021334 Product and Mounting Dimensions Duct Opening Sizes 6" to 4" Product Length 5.11 in. (13.0 cm) Product Performance and Technical Specs Construction Galvanized Steel Color Metallic Silver Finish Zinc Coating
Piero
Reviewed in Canada on March 6, 2025
Fits well, does the job it has to do. Sturdy metal.
Brian LeBaron
Reviewed in the United States on July 7, 2024
Bought two of these at different times. The product is definitely metal of a reasonable thickness. It is not plastic and it is not too thin. The measurements are correct. Quality product.
Rice
Reviewed in the United States on July 7, 2024
Made of medium weight cheap plastic, but appears to do the job. It says 4" to 6" - the 6" is perfect, but at least on my 4" pipe it is too small. A bit of duct tape works as a solution. But not sure what measurement system they're using.
BoldPrints LLC
Reviewed in the United States on July 28, 2024
Good quality. Metal instead of plastic.
Joe A.
Reviewed in the United States on June 6, 2024
Very happy with this reducer. Used to install a duct booster fan.
Latasha T.
Reviewed in the United States on June 23, 2024
ANOTHER Amazing product from ACI a must have in your garden.
Dino
Reviewed in the United States on March 8, 2024
This works as intended and has a good build quality to it
Customer
Reviewed in Canada on November 23, 2024
It fits as it says and cheaper than getting it from my local hardware store
checkmate71
Reviewed in Canada on July 23, 2023
Great product!
TannerBarat
Reviewed in Canada on December 29, 2023
Works as it should
Customer
Reviewed in Canada on April 28, 2023
Heavy gauge of steel. Better quality than I expected. Highly recommend. Came very quickly too. Thumbs up
Kaitlin
Reviewed in the United States on August 1, 2022
Got this for my GF... Glowforge, not girlfriend.While it's not an exact tight fit with the tubing for the external fan (also bought separate) If you throw some tape on there it works great. And MUCH cheaper than those that are made specifically for the external fan.
Arjun
Reviewed in the United States on March 17, 2022
I bought four of these, and they fit differently! Three of them loosely slide over the cloud line S6 6” opening, and tone of them one does not fit at all because the opening is too tight.So, it seems that there is a quality control issue with this product. All products I received look identical in color, labeling, and packaging, but the opening diameter (so far only tested the 6" end) are different! So if the one you purchased doesn't fit because it's too tight, consider returning it and re-ordering another and you might have better luck.I demonstrate this by showing both of my duct adapters in a single picture, and you can see that one of them slides completely over the other, and yet their product labels are identical!If the manufacturer replies with an update that they have improved their quality control, I'll update my review.For the version that does slide over, it is not snug. So, I’ll have to secure it with duct tape or perhaps a glue gun or silicone glue. Was hoping it would be a snug fit, but I suppose having it a bit loose gives me more flexibility on how to secure it. It was fairly easing pushing 4” aluminum duct hose from TerraBloom (also available on amazon) over the 4” side and then using a 4” duct hose clamp to tighten the hose onto the 4” side.
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