Comments On Jun 26, 2020:This mask is great! One tip, though: to get a good seal, you have to let the rubber seal warm up to your body temp. I put my mask on when it was cold and there were air leaks all along the seal. But, once the mask warmed up a bit, the rubber seal softened and sealed perfectly. It's great because I can wear my safety glasses with the mask and not have a fogging problem.
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Comments On Dec 23, 2019:I have been using this mask for 4 months now and am very pleased with it. Unlike paper masks my glasses do not fog. The mask is comfortable and easy to put on and take off. The only downside is the price of replacement filters, but I think they last for a long time.
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