Household Exhaust Fan Bathroom Toilet Kitchen Exhaust Fan Bass Ventilation Durable

【Features】： Window fan with reversible function: this square fan is a two-way linkage window extractor fan, window fan with exhaust air and intake can promote air circulation, bring away muddy air and maintain fresh room air. Easy to install: this wall-mounted exhaust fan can be installed on a window or wall and is easy to install. It is an advanced window extractor fan and wall extractor fan with strong motor and high performance. Powerful function: exhaust 500 m³/h (300 CFM), air intake 380 m³/h. You can install it on the wall as a whole house fan that can help eliminate moisture, tobacco smoke and cooking odours to keep your house smelling fresh.