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Step 1With a new filter in hand, align the tab and then insert tab into one end of the mask |
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Step 2Slightly fold filter to pass through the opening |
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Step 3Reach fingers in the opposite end of the mask through the filter slit opening and grasp tab. |
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Step 4With tab grasped, pull through filter until tab emerges on opposite end. |
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Step 5Insert fingers in opening of mask and smooth out filter to fill the cavity of the mask |
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Step 6Reposition the tabs and wear! |