Package includes: 
1 Sports Mask
3 filters. (One in the mask and 2 replacements)
Description：
Activated carbon filter shield absorbs odor with adjustable nose bridge, elastic strap, lightweight and breathable
PM 2.5 Replaceable Carbon Activated Filter | 5 layers filtering system. The active carbon filters isolate fine particle matter. 
Dual valves allowing for easier breathing and also releases any build up in moisture
Soft adjustable materials and velcro backstrap to secure comfortably around your neck