OUNONA 5pcs Air Duct Vent Cover Pipe Flange Mount Material for Air Conditioner Exhaust Fan Residential Commercial Use

Package Include 5 x Vent Duct Connector Features -Color:White duct connector -Size:10.50X10.50X8.50cm/4.13X4.13X3.34in check valves -Material:ABS dryer vent connector -Outer diameter: 103mm/4.06in air vent connector -Nominal diameter: 110mm/4.33in ventilation system parts -Pipes, Pipes, or any other pipes that only need one-way airflow to connect to this non -return device vent blockers. -Provide secure and quick installation fitting, easy to connect and disconnect, your working efficiency backflow preventer. -Easy to use, the duct connector is simple to operate, suitable for personal or professional use air conditioner duct connector. -Made of ABS material, , not easy to aging, ensure shut off valve. -Smooth surface without burrs, the tube connector is simple to install and will not hurt your hands air vent duct connector.Goods Informationventilation pipe non-return valves Made of ABS material, sturdy, wear-resistant and for long-term use.check valve replacement It can be widely used in air conditioning, exhaust fans, range hood.backflow valve Reasonable design makes it easy to install and use, bringing you more convenience.exhaust valve This connector has a return flap to prevent air return

• Ventilation pipe fittings--made of abs material, , not easy to aging, ensure ,hard start kit for air conditioner
• Pipe flange-- abs material and easy to clean, reusable and can be used for a long term,check valve
• Backflow device--the product can be used for bathroom, hotel and some other places,backflow valve
• Shut off valve--compact design minimizes space requirements and facilitates installation and maintenance,ventilation pipe non-return valves
• Plastic check valve--this product's appearance design is simple and generous, but the product is reliable and practical,vent blockers