I pulled apart one and saw nothing. Occasional little black bits of dirt or something, otherwise very clean. I was impressed at the density of the middle layer of the blue disposable face masks, actually. I figured it was a lot thinner, like the two outer layers. (JPFS brand)
I pulled apart one and saw nothing. Occasional little black bits of dirt or something, otherwise very clean. I was impressed at the density of the middle layer of the blue disposable face masks, actually. I figured it was a lot thinner, like the two outer layers. (JPFS brand)
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