About Duct Connections
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Quick-Disconnect Duct and Fittings

Join duct and fittings with quick-release clamps for faster disassembly and cleanout than other duct systems.
Galvanized steel has good corrosion resistance. 304 stainless steel is the most corrosion resistant.
For technical drawings and 3-D models, click on a part number.

Saddles add a branch to an existing run of duct. Cut a hole in the duct and fit the saddle over the hole.

Saddles add a branch to an existing run of duct. Cut a hole in the duct and fit the saddle over the hole.
Duct Size | Galvanized Steel | 304 Stainless Steel | ||||||
---|---|---|---|---|---|---|---|---|
(A) | (B) | ID | Gauge | End Construction | Each | Each | ||
3 | 4 | 3 1/16" | 22 | Rolled | 00000000 | 000000 | 000000 | 00 |
4 | 5 | 3 7/8" | 22 | Rolled | 00000000 | 00000 | 000000 | 00 |
5 | 6 | 4 7/8" | 22 | Rolled | 00000000 | 00000 | 000000 | 00 |
6 | 6 | 5 7/8" | 22 | Rolled | 0000000 | 00000 | 00000000 | 0000000 |
6 | 7 | 5 7/8" | 22 | Rolled | 00000000 | 00000 | 000000 | 00 |
6 | 8 | 5 7/8" | 22 | Rolled | 0000000 | 000000 | 00000000 | 000000 |
6 | 10 | 5 7/8" | 22 | Rolled | 0000000 | 000000 | 00000000 | 000000 |
6 | 12 | 5 7/8" | 22 | Rolled | 00000000 | 000000 | 00000000 | 000000 |
7 | 8 | 6 7/8" | 22 | Rolled | 00000000 | 00000 | 000000 | 00 |
8 | 9 | 7 7/8" | 22 | Rolled | 00000000 | 000000 | 000000 | 00 |
9 | 10 | 8 7/8" | 22 | Rolled | 00000000 | 000000 | 000000 | 00 |
10 | 12 | 9 7/8" | 22 | Rolled | 00000000 | 000000 | 000000 | 00 |
12 | 14 | 12" | 20 | Rolled | 00000000 | 000000 | 000000 | 00 |
14 | 16 | 13 15/16" | 20 | Rolled | 00000000 | 000000 | 000000 | 00 |
16 | 18 | 16" | 20 | Rolled | 00000000 | 000000 | 000000 | 00 |
18 | 20 | 17 15/16" | 20 | Rolled | 00000000 | 000000 | 000000 | 00 |
20 | 22 | 19 15/16" | 20 | Rolled | 00000000 | 000000 | 000000 | 00 |
22 | 24 | 22" | 20 | Rolled | 00000000 | 000000 | 000000 | 00 |
Chemical-Resistant Duct and Fittings

Made of PVC plastic to withstand acids, alkalies, salts, and other corrosive vapors and fumes. Use PVC pipe cement (not included) to secure components. Fittings have female ends with a slightly larger diameter to press-fit over duct.
For technical drawings and 3-D models, click on a part number.