HEPA + Activated Carbon fiber can remove wildfire smoke with no air leaking nose mask July 20 2022, 57 Comments

We use both HEPA H11 (N95) and Activated Carbon fiber for nose mask,  which can absorb the wildfire smoke. since our nose mask is no air leaking, so you will feel the air is very clean when you wear it in the area with wildfire smoke. 

The used 3 HEPA filters are compared to  the news one in photo here.