Conclusion, There are numerous masks available on Amazon and eBay. N95 Blind Box big conjecture - save money to open a big pack cheap N95 there are a few things you should know before donning one for maximum protection. FANGTIAN FANGTIAN N95 mask NIOSH certified while it is unusual that you would be exposed to such a contagious person at a typical hospital or pharmacy, it is possible in other situations. How To Wear An N95 Mask? Get The Facts! Even slight tears or punctures can mean that bacteria will get in around your face and won't stay contained within your mask while you are wearing it. People often wonder if they still need to put one on.