Mask Filters PM 2.5 | Adult and Kids sizes

Description 

These filters can be placed inside your washable or reusable face mask for added protection against finer particulate matter (PM 2.5) in the air. They have a unique multi-layer level of protection with five layers that contain activated carbon and non-woven fabric. It helps block particles like pollen, dust, pollution, keeping you safe and healthy.

Filter sizes approx:
Adult - 4 5/8 inch x 3 inch *compatible with most filter masks. 
Children - 4 inch x 3 inch *compatible with most filter masks.