Installation direction of angel nano whisker activated carbon filter element

When installing the activated carbon filter, please pay attention to the arrow guide on the side of the filter. The arrow guide is used to guide the airflow direction of the air blown by the blower. You can turn on the air conditioner and feel whether the wind direction of the blower blows up or down. If the wind direction is upward, the activated carbon faces downward; If the wind direction is downward, the activated carbon faces upward, and the black edge enters the wind, and the white edge is the place where the wind exits.