hgudesign 6 Inch to 4 Inch Duct Reducer, 2 Pieces Galvanized Steel Round Air Duct Reducer Crimped Pipe Increaser Adapter Connector Fitting Coupling for HVAC, Ventilation Systems

Composition: Galvanized Steel; Dimensions: 150mm Male to 100mm Male Round Duct Reducer Adapter (5.91 Inch to 3.94 Inch); Length: 120mm/ 4.72 Inch; Thickness: 0.6mm/ 0.02 Inch; Contents: 2 Pieces x Galvanized Steel Round Duct Reducer Purpose: solid or flexible ducts in ventilation, maintaining airflow stability. Applicable in HVAC, heating, cooling, fresh air systems, kitchen/bathroom exhaust, grow tents, dryer vents, and cooker hoods. Advantages: one-piece galvanized steel, , fits ventilation products well. Crimped end and raised edges ensure secure connections. Setup: Insert pipe and fasten with clamp or tape. Reminder: Check pipe outer diameter prior to buying.