2Pcs 6" to 4" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting 10mm X 0.5mm X 300mm 4pcs x Expansion Bolts

4pcs x Expansion Bolts

Used for the L or cross right-angle connection of two aluminum profiles or lock connection of heavy frames

): 65mm x 65mm x 30mm / 2

and flexible

It is widely used to machine

2Pcs 6" to 4" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting 10mm X 0.5mm X 300mm 4pcs x Expansion BoltsThis 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: 150 x 94 mm 5. 91 x 3. 7 inch (Big*Small) Outer