Mobestech 4pcs Duct Connector Check Valve Ventilation System Part for Bathroom and Hotel Easy Install Vent Pipe Accessory for Efficient Airflow

Package Include 4 x Vent Duct Connector Features -Material:ABS backflow valve -Color:White air vent duct connector flange -Outer diameter: 103mm/4.06in air vent connector plastic -Size:10.50X10.50X8.50cm/4.13X4.13X3.34in ventilation system parts -Nominal diameter: 110mm/4.33in kitchen ventilation opening - This product's appearance design is simple and generous, but the product is reliable and practical air vent connector. - Efficiently prevents water flow for optimal drainage ventilation valve. - Well ABS material, very for a long term use. The check valve is carefully crafted, texture, not easy to damage ventilation non-return valves. - vent cover louvered close automatically when not in use and it can be practical check valve. - The product can be used for bathroom, hotel and some other places ventilation connector.Goods Descriptioncheck valve replacement This check valve is made from ABS material, not easy to break and damage, very and practical.ventilation non-return valves wanna a practical and check valve? If you want, then you can .dryer vent connector The product is simple and convenient to use, easy to install and remove. valve For personal home ventilation use or bathroom use.ductless ventilation check valve The product has practical functions

• Duct backflow preventer--well abs material, very for a long term use, the check valve is carefully crafted, texture, not easy to damage,ventilation pipe accessory
• Air vent connector plastic--the product can be used for bathroom, hotel and some other places,exhaust valve
• Ventilation pipe non-return valves--pipes, Pipes, or any other pipes that only need one-way airflow to connect to this non -return device,ventilation pipe fittings
• Dryer vent connection--provide secure and quick installation fitting, easy to connect and disconnect, your working efficiency,duct connector
• Pipeline connector--suitable for air conditioning, exhaust fans and other residential, commercial and industrial applications,check valve replacement