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Make sure your hands are clean before handling a new filter.STEP 2
Pinch the sides of the filter and slide it into the filter pocket on the back of your Beaker Face Mask.
Ensure that the filter is placed evenly within the pocket.STEP 4
All done! Remember: insert a new filter into the back slip pocket of your Beaker Face Mask every time you wear it. If the filter gets wet, discard and replace with a new filter.