About Duct Connections
More
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. Aluminum is more lightweight than steel and stainless steel and has good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Vent Caps
Exhaust Vent
Intake Vent
Galvanized Steel | Aluminum | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Duct Size | Female ID | Male OD | Includes | End Construction | Gauge | Each | Gauge | Each | ||
Exhaust Vent | ||||||||||
| 3 | 3" | __ | Damper | Plain | __ | 000000 | 00 | 30 | 0000000 | 000000 |
| 4 | 4" | __ | Damper | Plain | 30 | 00000000 | 000000 | 30 | 0000000 | 00000 |
| 5 | 5" | __ | Damper | Plain | 30 | 00000000 | 00000 | __ | 000000 | 00 |
| 6 | 6" | __ | Damper | Plain | 30 | 00000000 | 00000 | __ | 000000 | 00 |
| 7 | 7" | __ | Damper | Plain | 30 | 00000000 | 00000 | __ | 000000 | 00 |
| 8 | 8" | __ | Damper | Plain | 30 | 00000000 | 00000 | __ | 000000 | 00 |
Intake Vent | ||||||||||
| 4 | __ | 3 7/8" | Screen | Crimped | 30 | 00000000 | 00000 | __ | 000000 | 00 |
| 5 | __ | 4 7/8" | Screen | Crimped | 30 | 00000000 | 00000 | __ | 000000 | 00 |
| 6 | __ | 5 7/8" | Screen | Crimped | 30 | 00000000 | 00000 | __ | 000000 | 00 |
| 7 | __ | 6 7/8" | Screen | Crimped | 30 | 00000000 | 00000 | __ | 000000 | 00 |
| 8 | __ | 7 7/8" | Screen | Crimped | 30 | 00000000 | 00000 | __ | 000000 | 00 |
90° Elbow Register Boots
Straight Register Boots
Oval Duct and Fittings
At about half the height, this oval duct fits in tighter spaces than round and rectangular duct. Duct and fittings press-fit together.
For technical drawings and 3-D models, click on a part number.
