Mask Information
What does the valve do?
We here at Cambridge Mask Co. believe valves perform a key role in safety, by reducing CO2 build-up and reducing humidity, which can encourage vira...
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How often do I need to change the filter?
Good news! You don’t need to change the filter because the whole mask is the filter.
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How long can the mask be used for?
Cambridge Masks are non-disposable and can be used for up to 340 hours for the PRO mask and 90 hours for the BASIC mask. The duration for which th...
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Can I remove the valve from the mask?
Please do not remove it. Removing the valve will impact the performance of the Cambridge Mask.
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