**(4) Filters for $11.99 is only $2.99 per filter!**
Our filters are (3) layers thick. Top and bottom layers are both made from non-woven polypropylene fabric. The inner layer is made from SMS (spunbound meltblown spunbound). Adding a filter increases particulate filtration and therefore enhances effectiveness. Want to learn more about the importance of filters? Take 2 minutes to read our blog post
**Face covering (4) packs sold separately**
Do not wash. Remove from fabric mask before washing. Filters are not washable and should be replaced every 7 days.
Non-woven polypropylene, SMS (spunbound meltblown spunbound)
These filters are NOT a direct substitute for N95, KN95, surgical, or procedural masks and are NOT FDA approved. This is a personal, civilian use item. Due to the intimate nature of this product, intended for use during a high risk time for the prevention of viral spread, these filters are non-returnable and non-refundable. All sales are therefore, final.