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HOW TO ADJUT SIZE

HOW TO CHANGE FILTER

Replace disposable filter pad after 8 hours of use.

Step 1

Uncouple all buttons and unfold.

Step 2

Insert the new filter between the inner face and outer face of the mask.

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howtochangefilter_02.jpg

Step 3

Refold the mask.(See instructions on How to Fold).

howtofold_03.jpg
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