Why We Need to Upgrade Our Face Masks and Where to Get Them
beSpacific 2021-09-30
Summary:
Scientific American: “High-quality respirators such as N95s and K95s are now widely available and provide the best protection against COVID, according to experts. Why aren’t more people wearing them..There is now a cornucopia of high-filtration respirator-style masks on the market, including N95s, Chinese-made KN95s and South Korean–made KF94s. They have been widely available and relatively […]