110x55mm Flat Channel Connector with Backflow Flap - Rectangular Ducting - Backdraught Shutter

Features:

• 110 x 55 mm connector for flat duct with backflow flap
• Check valve to prevent the reverse of air flow
• Made of high-quality plastic / heat-resistant from -5 °C + 60 °C
• Ensures optimised and efficient airflow
• Lightweight, quick and easy to assemble