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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.
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 |