those have pictures that mention a melt-blown layer, but description doesn't mention it at all and instead uses the phrase "3-Layers of Non-Woven Fiber Fabric"
A simple guide to Chinese disposable masks: if you need quality, get BYD. They're comfortable and don't fog glasses much. Worth the premium if you have to work 8 hours in a mask. If it's for a quick shopping trip, any of these sub $10 masks will work for you.
A simple guide to Chinese disposable masks: if you need quality, get BYD. They're comfortable and don't fog glasses much. Worth the premium if you have to work 8 hours in a mask. If it's for a quick shopping trip, any of these sub $10 masks will work for you.
Better at Costco. The BYD brand ones sold at Office Depot aren't tested to US medical mask standards while the ones sold at Costco are. Office Depot ones are tested to the Chinese medical mask standard, which is much better than any of these super cheap ones that blatantly say "not for medical use."
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https://www.ebay.com/itm/50-Pcs-3...2749.l2649
Manufacture:Changzhou Combat Protective Equipment Co
https://www.ebay.com/itm/50-Pcs-3...2749.l2649
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What is byd?
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Better at Costco. The BYD brand ones sold at Office Depot aren't tested to US medical mask standards while the ones sold at Costco are. Office Depot ones are tested to the Chinese medical mask standard, which is much better than any of these super cheap ones that blatantly say "not for medical use."
Manufacture:Changzhou Combat Protective Equipment Co
The quality I received was good. Ear loops holds on. Worth it.
https://www.ebay.com/itm/50-PCS-3...0005.m1851