7" to 4.5" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems Gray Color: Silver Gray

Color: Silver Gray

4Pcs x 12mm Tube OD x 1/4PT Thread Male Connector

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

Because when the road is uneven

with brushed nickel surface treatment

7" to 4.5" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems Gray Color: Silver GrayThis 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