OZ
Ozmedical
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The 3M Masks were of high quality
The 3M Masks were of high quality. A friend of mine bought the same exact mask on Amazon and the straps keep breaking. I can rewear my 3M masks for weeks and have no problem with the straps breaking. Shipping and customer service excellent. You actually talk to a live person immediately. I see Ozmedical as highly trusted provider of medical supplies!