PM2.5 Face Mask Filter Insert x 4 - Adult or Child Size

Replacing the filters within the masks you wear is vital for providing the best protection and should be changed regularly.

• Four Filter Inserts Included.
• The filter element of this mask has 5 layers of protection, bringing you a safe breathing experience.
• Two sizes - Adult and Child
• Recommend replacement of 1~2 times a week.

• Please not that filters CANNOT be washed.