7" to 4.5" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems Gray 4Pcs x 12mm Tube OD

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

with brushed nickel surface treatment

Because when the road is uneven

Color: Silver Gray

7" to 4.5" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems Gray 4Pcs x 12mm Tube ODThis 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