5pcs Duct Connector Check Valve for Efficient One-way Airflow Ventilation Systems Non-return Valve for Bathrooms and Exhaust Applications

Package List 5 x Vent Duct Connector Features -Color:White check valve -Outer diameter: 103mm/4.06in check valves -Size:10.50X10.50X8.50cm/4.13X4.13X3.34in ventilation pipe connector -Nominal diameter: 110mm/4.33in hard start kit for air conditioner -Material:ABS portable ventilation pipe supply - Made of ABS material, and safe for your families. Simple design makes it practical ventilation system parts. - Easy installation suitable for various locations such as bathrooms and showers air vent connector plastic. - workmanship and sturdy ABS materials ensure a and details air vent duct connector. - ABS material and easy to clean, reusable and can be used for a long term ventilation pipe valve. - Easy to install. The check valve can prevent rain more with the special design dryer vent connection.Goods Informationliquid check valve This product is a practical and professional ventilation pipe check valve.duct backflow preventer Ensures proper functioning of drainage system by preventing water flow back.ventilation pipe non-return valves Made from ABS, wear- resistant and , you can reassure to use, not easy to damage, very practical

• Air vent duct connector--efficiently prevents water flow back for optimal drainage ,ventilation pipe connector
• Air conditioner duct connector--exhaust vent cover louvered close automatically when not in use and it can be practical,check valves
• Ventilation pipe valve--made of abs material, , not easy to aging, ensure ,portable ventilation pipe supply
• Pipe flange--pipes, Pipes, or any other pipes that only need one-way airflow to connect to this non -return device,dryer vent connector
• Backflow valve--made of abs material, and safe for your families, simple design makes it practical,ventilation pipe non-return valves