That masks are not appropriate for medical use as per the packaging they come in no one reads that has to be there by law so that the manufacturer doesnt get sued when someone uses them for something theyre not designed for. Like wearing them for more than 15 minutes at a time and not throwing them out. Unless youre in a full hazmat suit with your own decontamination crew you can fuck right off with your bullshit 'worlds deadliest pandemic' horseshit.