If you aren't sick yet, keeping healthy is all about prevention. Reusable reusable.N95 mask verify the NIOSH-assigned TC number on the CDC website. Medical medical grade masks N95 like the H1N1 pandemic in 2009. Like the GIKO 1200H N95 Mask. If you can't see through the mask's eyes, pull the bottom border of each eye cover down until it doesn't overlap with your face. If possible, store all of your masks in a single container or box, as opposed to keeping them in drawers or boxes individually.