10 Blue Shop Cloth 12"x12" DIY Face Mask Filter Components

These blue shop cloth filters are great for picking up messes and spills, but also a good option to use as a filter in a do-it-yourself homemade mask. The filter component adds an extra layer of protection and filtering capabilities. It ishas been tested to block up to 95% of particles down to 0.3% microns. In comparison, cotton masks only block up to 60% of particles. Includes 10 shop clothes measuring approximatley 12"x12". It is recommended to change filters every 8 hours. This is great on its own, but could be even better with the other protective equipment available in our store!