Swiftair Bathroom Extractor Fan Timer Humidistat Auto Automatic Shutter 4" 5" 6"
This design is necessary to combat reverse traction and is indispensable for rooms where regular, but not constant ventilation is needed. Air Flow (Free Air). 150 - 230 m3/hr. 125 - 130 m3/hr. 100 - 85 m3/hr.