Our hand made filters which are triple layer melt blown are designed to fit seamlessly into both our adult size and child sized face mask products.
This filter has been measured to filter particles down to 0.3 Microns and is made with the highest quality materials in mind.
Our filters are disposable and we recommend replacing them within 7 days of use based on your usage levels.
Disclaimer: This product is not professional or medical grade. No claims or warranties are being about the efficacy or intended or unintended use of these inserts. This product is not meant to prevent, treat, or cure any diseases. Use of this product is at the sole discretion of the purchaser and no warranties or guarantees are being made.