PM 2.5 filters - Pack of 25
A pack of 25 PM 2.5 filters. These filters also fit in other masks that have the same type of pocket design as found in our masks.
Change filters every 3-4 days, at the longest 1 week depending on the environment you are in. If you are in direct contact with people that have the COVID virus we recommend changing the filters every 2 days. Never put this item in a washing machine or dryer. Like never...