Washable Pollution Masks with N95-N99 Filters, Cotton with ...
Apr 14, 2020·I find the 3M disposable masks very uncomfortable. They don’t fit well unless you keep the straps really tight to get a good air seal. Uncomfortable. Not washable. More landfill. So, I went online and looked around for something that was more comfortable and washable, while still maintaining N95-99 …