4" to 3" Inch / 100 80 mm Round Galvanized Steel Duct Reducer Fitting Pipe Increaser Metal Tube Reducing Coupling for Drain, Waste and Ventilation (4 3 Inch)

100MM TO 80MM REDUCER - Both ends are male fit, made to connect different size pipes. Largest opening diameter is 99mm, while the smallest connection diameter is 79mm. Galvanized steel round ducting adapter 100 mm to 80 mm. Can be used with HVAC systems, bathroom extractor fans, inline ventilators, cooker hoods, tumble dryers, hydroponics, kitchens or, anywhere else in the apartment, home or office space. Sturdy Steel ducting is perfect for DIY and Trade use. Works as a reducer or increaser; Male to Male fit; Ensures secure fit for ventilation fans, dryer ducts, and exhaust vent pipes while maintaining high airflow efficiency. Perfectly suited for ducting your Tumble Dryer, Bathroom or Any type of extractor fan, Hydroponics, In-Line Extract Fans, or Cooker Hood., Weight: 0.24 pounds, Manufacturer: Repa Market