Uxcell 8 Inch to 3 Inch Round Duct Reducer, Galvanized Steel Adapter Pipe Fitting, Silver Tone

The air duct adapter is designed to paired with exhaust fans and dust collectors for all dryer vent pipes, hoses, bathroom extractors and vents, air conditioning and heating units, kitchen vents and fans, all home wall and ceiling vents, heat transfer and ventilation systems, gas and electric dryers, cooker hood extractors, as well as a wide variety of industrial uses.

Advantage
The duct adapter is made of galvanized steel material, which is not easy to rust and corrode, and the surface is treated very smooth.Galvanized iron retains the strength and toughness of ordinary carbon steel, so it has certain mechanical properties. Galvanized iron has better fire resistance than ordinary steel. And the ventilation resistance of galvanized air duct is small and will not cause noise.

Instruction
Raised lip on both openings allows connecting ducts to get a better grip. Connect the duct reducer to a metal duct, vent hose, fan outlet, or inlet, use a pipe clamp, glue, or tape to secure the connection if needed.

Notice
Please confirm the specification and size of the product before you buy it. The bite seam of the air duct should be tight and the width should be consistent. Reducing the diameter of the hem should be bent by a bending machine, and manual bending is prohibited.