4 Blade Exhaust Fan is the high selling fan which is installed specially in the kitchen or bathroom. It renders good air ventilation to keep the bad odor and harmful impurities away. 4 Blade Exhaust Fan also prevents the hazardous mold inside your living area. Removes the air pollutants to make your kitchen fresh as well as healthy. It allows efficient energy and less noise. This fan comes in a sealed duct and smooth blades to rotate easily without any error.