PATIKIL 5 Inch to 4 Inch Round Duct Reducer Increaser Connector, Galvanized Steel Adapter Pipe Fitting for Bathroom Kitchen Ventilation Systems, Silver Tone

• Material: Galvanized Steel Color: Silver Tone Biggest Outer Dia.: 250 mm / 10 Inches. Smallest Outer Dia: 150 mm / 6 Inches. Length: 200 mm / 7.9 inches. Package List: 1 pcs Duct Reducer
• 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. Once installed, reducer should be secured with clamps or any preferred fastener. Easy to operate, you can use glue or use steel frame and high temperature resistant steel wire to fix the connection for your long-term use.
• Application: 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.
• 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.

This is a very high-temperature resistant, sturdy, and integrated pipeline variable diameter increase pipe, which can be used to connect two different solid or flexible pipes or pipelines to a ventilator. Small. Suitable for the HVAC ventilation system, bathroom exhaust, air-cooled hood, embedded fans, hood, roller dryer, hydroponic system, kitchen or apartment, family garage attic or office space use together. Specification Material: Galvanized Steel Color: Silver Tone Biggest Outer Dia.: 125 mm / 5 Inches. Smallest Outer Dia: 100 mm / 4 Inches. Length: 210 mm / 8.3 inches. Package List: 1 pcs Duct Reducer 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.