| Brand | Master Flow |
| Shape | Round |
| Item Diameter | 4 in |
| Compatible Model | Universal |
| Material | Metal |
| Features | Corrosion Resistant |
| Item Length | 7 in |
| Country Of Origin | United States |
Always insulate ductwork for greater system efficiency and comfort (insulation not included). The Master Flow 7 in. Round Reducer is made of galvanized steel. pipe in an HVAC system. It is suitable for most HVAC applications.