2Pcs 7" to 6.5" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting Speaker Grill Cloth moisture-proof insulation

moisture-proof insulation

Drilling a 0

* Install Type: M10x15mm Threaded

-This key switch is an emergency switch button with a special mechanical key for emergency situations

2Pcs 7" to 6.5" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting Speaker Grill Cloth moisture-proof insulationThis 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: 172 x 160 mm 6. 77 x 6. 3 inch (Big*Small) Outer