| Connection Size 1 | : | 4 in |
| Connection Size 2 | : | 3 in |
| Connection Sizes (Custom) | : | 4~3 in |
| Diameter | : | 4 in |
| Duct Shape 1 | : | Round |
| Duct Shape 2 | : | Round |
| Insulated | : | No |
| Material Gauge | : | 28 ga |
| Material | : | Galvanized Steel |
| Product Type | : | Tapered Reducer |
| Reducing | : | Yes |
The 58 Series tapered reducer provides a simple and effective solution for connecting different sizes of round ductwork. It is specifically designed to join a 4-inch duct to a 3-inch duct, facilitating smooth airflow in various HVAC system layouts.