This makes good sense, particularly if they are coughing, sneezing, or blowing their nose - their bacteria can surely quickly be infect you! Medical N95 medical grade masks this is an essential distinction to make. N95 filter are pm 2.5 filters the same as N95 from there, they can aggravate asthma symptoms and cause damage to your respiratory system over time. Online store will be a good choice if you worry you will be get infected when shopping. Plus, we'll show you where to buy N95 masks so that you'll never have to worry about running out! You need to be fit tested and you also need to wear the mask properly.