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.
Reducers
Reducers connect duct with different diameters.
Duct Size | ID | Galvanized Steel | 304 Stainless Steel | ||||||
|---|---|---|---|---|---|---|---|---|---|
| (A) | (B) | (A) | (B) | Gauge | End Construction | Each | Each | ||
| 5 | 4 | 4 7/8" | 3 7/8" | 22 | Rolled | 00000000 | 000000 | 00000000 | 0000000 |
| 6 | 4 | 5 7/8" | 3 7/8" | 22 | Rolled | 0000000 | 00000 | 00000000 | 000000 |
| 6 | 5 | 5 7/8" | 4 7/8" | 22 | Rolled | 0000000 | 00000 | 00000000 | 000000 |
| 8 | 6 | 7 7/8" | 5 7/8" | 22 | Rolled | 00000000 | 00000 | 00000000 | 000000 |
| 10 | 6 | 9 7/8" | 5 7/8" | 22 | Rolled | 00000000 | 00000 | 0000000 | 000000 |
| 10 | 8 | 9 7/8" | 7 7/8" | 22 | Rolled | 00000000 | 00000 | 00000000 | 000000 |
| 12 | 8 | 12" | 7 7/8" | 22 | Rolled | 00000000 | 000000 | 00000000 | 000000 |
| 12 | 10 | 12" | 9 7/8" | 22 | Rolled | 00000000 | 000000 | 00000000 | 000000 |
| 14 | 12 | 13 15/16" | 12" | 22 | Rolled | 00000000 | 000000 | 00000000 | 000000 |
| 16 | 14 | 16" | 14" | 20 | Rolled | 00000000 | 000000 | 00000000 | 000000 |
Noise Reducers
Galvanized Steel | |||||
|---|---|---|---|---|---|
| Duct Size | Sound Absorbed | Gauge | End Construction | Each | |
| 3 | 25% | 20 | Rolled | 00000000 | 0000000 |
| 4 | 25% | 20 | Rolled | 00000000 | 000000 |
| 7 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 8 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 9 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 5 | 25% | 20 | Rolled | 00000000 | 000000 |
| 6 | 25% | 20 | Rolled | 00000000 | 000000 |
| 10 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 12 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 14 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 16 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 18 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 20 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 22 | 25% | 20 | Rolled | 00000000 | 00000000 |
| 24 | 25% | 20 | Rolled | 00000000 | 00000000 |