How To Change Your Filter
With a new filter in hand, align the tab and then insert tab into one end of the mask
Slightly fold filter to pass through the opening
Reach fingers in the opposite end of the mask through the filter slit opening and grasp tab.
With tab grasped, pull through filter until tab emerges on opposite end.
Insert fingers in opening of mask and smooth out filter to fill the cavity of the mask
Reposition the tabs and wear!