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🔧 Connect with Confidence — The Ultimate 4" Duct Coupler for Pros Who Demand Precision
This 4" galvanized steel duct connector by ECOPRO VENT features a precise 3.90" double male fit design for airtight, secure connections in round duct systems. Crafted from durable alloy steel with a reinforced middle section, it ensures long-lasting performance under pressure. Easy to install and EU-manufactured, it optimizes airflow while minimizing leaks, making it a trusted choice for professional HVAC setups.
| ASIN | B09STPT3B7 |
| Best Sellers Rank | #116,528 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #192 in HVAC Ducting |
| Brand Name | ECOPRO VENT |
| Color | Gray |
| Connector Type | Coupling |
| Customer Reviews | 4.4 4.4 out of 5 stars (132) |
| Exterior Finish | Aluminum |
| Item Dimensions | 3.94 x 3.94 x 3.94 inches |
| Item Weight | 0.12 Kilograms |
| Manufacturer | ECOPRO VENT |
| Material Type | Alloy Steel |
| Number of Pieces | 1 |
| Size | Ø4" |
| Thread Size | 4 inch |
| Thread Type | Metric Parallel |
| Unit Count | 1.0 Count |
P**L
Pipe, double male
worked perfectly
D**Y
Good connector
Sleeve worked well for connecting two pipes together.
S**E
Makes attaching a dryer vent a breeze
Worked perfectly for hooking up a dryer vent. This eliminated having to cut the vent to fit over a non-crimped end coming out of the wall. Don’t forget you will need 1 additional 4” strap, but the ease of installation makes it worth the extra fee cents
E**R
fit perfect
fit perfectly to my a/c duct, Very good product, and I love it, I'll see how long it lasts, works perfect
J**Z
on time shipping
just what I needed
B**Y
What I ordered
It seems to be a good product. I unfortunately couldn't use it for my project. Fast shipping
D**.
Fits 5" hardware well
It's not complicated, just a piece of metal, but this was a perfect fit to connect my portable AC to the exhaust port in my apartment - it doesn't even need HVAC tape. Solved that headache nicely!
M**A
Didn't fit
delivery was timely, no damage but it didn't fit so I had to return it
Trustpilot
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