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Standard Duct and Fittings

No need for clamps or connectors—duct and fittings press-fit together. Male ends are crimped or tapered, making them slightly smaller than a female end for simple assembly.
Galvanized steel has good corrosion resistance. 304 stainless steel is more corrosion resistant than steel and aluminum.
For technical drawings and 3-D models, click on a part number.
Rain Caps

Galvanized Steel

304 Stainless Steel
Galvanized Steel | 304 Stainless Steel | |||||||
---|---|---|---|---|---|---|---|---|
Duct Size | Female ID | End Construction | Gauge | Each | Gauge | Each | ||
3 | 3" | Plain | 26 | 0000000 | 000000 | __ | 000000 | 00 |
4 | 4" | Plain | 26 | 0000000 | 00000 | 26 | 0000000 | 000000 |
5 | 5" | Plain | 26 | 0000000 | 00000 | __ | 000000 | 00 |
6 | 6" | Plain | 26 | 0000000 | 00000 | 26 | 0000000 | 00000 |
7 | 7" | Plain | 26 | 0000000 | 00000 | __ | 000000 | 00 |
8 | 8" | Plain | 26 | 0000000 | 00000 | 26 | 0000000 | 00000 |
9 | 9" | Plain | 26 | 0000000 | 00000 | __ | 000000 | 00 |
10 | 10" | Plain | 26 | 0000000 | 00000 | 26 | 0000000 | 000000 |
12 | 12" | Plain | 26 | 0000000 | 00000 | 26 | 0000000 | 000000 |