These 4-layer filters can be inserted into any personal face mask. It is advisable to replace or decontaminate your filters every 3-5 days. They should not be laundered. For more information on the nature and effectiveness of the PM 2.5 (particulate matter) filter from the New York State Department of Health, please click here.
 
Please note that Ecology Soap, LLC procures these filters as added personal protection against airborn and transmissable contaminants. No claims or guarantees in regards to the COVID-19 virus are being made. Please continue to practice social distancing and follow CDC guidelines.