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9mm bule oxygen mask elastic band/elastic cord ---2015-10-31T07:04:01
Oxygen Mask Elastic Band/elastic cord, Latex free, the size we want is 0.9cm wide and 51cm long, Elongation is at least 300%, plastic cover at both ends. Colour in blue.
What N95 Mean in “N95 Respiratory Dust Masks”? ---2015-04-05T11:25:55
The second and third digits are numbers that denote the percentage of particulates the respiratory dust mask can filter out. For example, a P95 respirator is an oil proof respirator that filters out 95% of particles, and N95 means not oil proof respirator masks that stops 99% particles that are at least 0.3 microns.