The fan is almost inaudible on low settings. Your refrigerator makes more noise. He does what he says. Creates a breeze and purifies the air. I vacuum my HEPA filter every two weeks so I don't have to change the filter every three months, maybe even a year if you don't get too dusty or have a smoker in the house. I'm still trying to figure out how this bladeless fan creates airflow. I guarantee you will be confused too
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