PATIKIL 6 Inch to 5 Inch Duct Reducer, Galvanized Steel Round Air Duct Reducer Crimped Pipe Increaser Adapter Connector Fitting Coupling for HVAC, Ventilation Systems

Material: Galvanized Steel; Size: 150mm Male to 125mm Male Round Duct Reducer Adapter (5.91 Inch to 4.92 Inch); Length: 125mm/ 4.92 Inch; Thickness: 0.6mm/ 0.02 Inch; Package List: 1 Pcs x Galvanized Steel Round Duct Reducer
The air duct reducer or increaser is used for connecting solid or flexible ducts in ventilation systems, creating a stable connection between air ducts while maintaining airflow efficiency. Widely used in HVAC, ventilation, heating and cooling, fresh air supply systems, bathroom or kitchen exhaust, grow tents, dryer vent adaptation, cooker hoods, air-cooled hoods, embedded fans, roller dryers, dust collection systems, etc.
Advantage: One-piece design, made of good galvanized steel material, the round duct reducer is sturdy, does not easily rust, and highly fits other ventilation systems products. Raised edges on both openings provide a better grip for connecting pipes, and this duct reducer has a crimped design on the small end of the duct to fit inside the