The idea of the mask is what you want to fall in love with--copper kills the virus on contact so this seems like a reasonable purchase, right? The mask is a thin piece of foamish fabric that is copper infused. You have seen the little paper filters which are custom sized to the size mask you buy--you get one. Yes, that is ONE. You can go search the company through its website prominently featured on the box and you will see mask filters can be purchased in Korea only. I have inquired through the company, but they don't seem interested in answering that question. DO NOT WASTE YOUR MONEY. You have bought a comfortable mask that you can NEVER replace the filters of--there is commentary on it falling out, which it does. Nothing but your face keeps it in place, so these guys are suffering from the maybe we didn't think about the design enough blues. I promise you since I have bought other masks there are absolutely better choices. Do not waste your money here.