Wallair Fans Extractor hood with backflow flap 633065 - Wallair N31845, The Wallair N31845 Extractor Hood features a backflow flap and is made of stainless steel. It is suitable for pipe diameters of 10 cm, providing effective airflow management. Typically used in kitchen ventilation systems, it helps prevent backflow and maintains optimal air quality. Wallair N31845 Extractor Hood Stainless Steel Backflow Flap Pipe: 10cm
