7" to 4.5" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems Gray Operating temperature: -5~60 Degree Celsius

Operating temperature: -5~60 Degree Celsius

with brushed nickel surface treatment

Symmetry of the angle of the structure of the window when the window is accurate and reliable

Simple installation

7" to 4.5" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems Gray Operating temperature: -5~60 Degree CelsiusThis duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments. Specification Color: White Material: ABS Height: 110 mm 4. 33 inch Inner Diameter: 173 x 110 mm 6. 81 x 4. 33 inch (Big*Small) Outer