
I was excited to try the new copper plated mask for my son. I expose every mask I buy to sunlight and also pour a glass of water to assess porosity. This mask appears to be very porous and you can easily see the sunlight shining through more than other masks. It does have a filter pocket, but I find it a hassle to change filters, and the filters don't cover the entire surface of the mask either. However the construction and fit of the mask seems good so it could be an outdoor mask on a hot day but I wouldn't trust it to offer much protection indoors.

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