




🔧 Upgrade your airflow game — connect, secure, and conquer every duct challenge!
The AC Infinity Duct Adapter is a precision-engineered 6" to 4" galvanized steel reducer/increaser cone designed to maintain optimal airflow efficiency in ventilation systems. Featuring corrosion-resistant zinc coating and raised lips for secure duct grip, it’s ideal for grow tents, bathroom fans, dust collectors, and more, ensuring durable, high-temperature resistant performance in a compact form.



















| ASIN | B0842XMBYC |
| ASIN | B0842XMBYC |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #32,904 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #38 in Heating & Cooling Ducting Products |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,172) |
| Customer reviews | 4.5 4.5 out of 5 stars (1,172) |
| Date First Available | 1 March 2020 |
| Date First Available | 1 March 2020 |
| Item Package Quantity | 1 |
| Item Weight | 340 g |
| Item model number | AC-SDR64 |
| Item model number | AC-SDR64 |
| Manufacturer | AC Infinity |
| Manufacturer | AC Infinity |
| Material | Zinc-coated Metal |
| Number Of Pieces | 1 |
| Package Dimensions | 17.3 x 16.99 x 16.79 cm; 340 g |
| Package Dimensions | 17.3 x 16.99 x 16.79 cm; 340 g |
| Part number | AC-SDR64 |
| Size | 6" to 4" |
K**N
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.
T**T
Works as it should
B**N
Excellent fit, arrived fast, great quality
A**E
AC INFINITY!!! / NOTHING ELSE / BEST GROW EQUIPMENT!!!
P**O
Fits well, does the job it has to do. Sturdy metal.