Fully ducted ventilation unit with 170mm blower. Engineered to seal when not in use - prevents back draughts. Ideal for eco-sensitive designs and 5 star energy rated homes. Flex and plug included for simple installation. Extraction rate of 55 litres per second. Ventflo Easy Duct Exhaust System is compliant with G4 Building Codes and Healthy Home Standard for bathrooms and kitchens.