WeCooper 100mm - 4 inch Connector with Backdraught Shutter, Non-Return Damper Flap to Connect Duct Pipe or Flexible Hose Pipe
- [EASY INSTALLATION] The duct damper opens and closes automatically, allowing only one-directional airflow. The damper blades open only in the outflowing air direction when the shutter is installed. The duct valve for 4-inch duct best installed in a horizontal position and inserted fully into the duct. This also applies to vertical installation."
- [HOME IMPROVEMENT] Pipe cover flap, butterfly valve. Especially suitable for inserting into 100mm round pipe or 102mm flexible hose. Perfect for use in Tumble Dryer, bathrooms, garages ,air conditioners, extractor fan, extractor hoods, Hydroponics, In-Line Extract Fans, and ventilation systems.
- [SUPPORT GUARANTEE] We have a 24-month warranty. Feel free to contact us with any questions. We will reply within 24 hours.