Two PM2.5 filters included with purchase of each mask. These filters are washable and reusable, and will filter down to 2.5 micrometers.

This cotton mask is great for your outings into the unsure world we live in. 100% Luxurious Bamboo Cotton Mix with comfortable ear straps and beautiful tie dye patterns! A filter slot is is easily accessible from either side of the mask for ease of use and washing.

Multiple masks pictured are to show the variety of each set, not the amount shipped. Each order comes with 1 mask and 2 filters.