General Features Size Universal Colour White Packaging 20 masks per box Fluid resistant Optional design Cupped or folded Safety Features CEcertified FDAcleared In accordance with the Chinese standard GB26262006 Filtration efficacy of PM25 99 Filtration efficacy of PM03 95 Disposable Inward leakage lt8 Comfort Features The soft material makes the maskwearing more comfortable Adjustable nose clip for a better fit Two elastic ear loops for a more secure maskadjustment High fit effectiveness Filtration efficacy Our filtering face piece respirators can be used for respiratory protection against various nonoily airborne contaminants  It is extremely effective 9599 against tiny particulate matter of less than 03 and 25 microns in diameter PM03 and PM25 respectively among which are many infectious agents For the purpose of protecting yourself from influenza viruses SARS avian flu coronavirus etc respirator masks were recommended as part of the PPE by the World Health Organization WHO 100 compliant with regulations CE FDA GB26262006 Our KN95 respirators have been confirmed to meet all of the performance requirements set by the Chinese standard GB26262006 They are also completely CEcertified and FDAcleared Please note that if you need reassurance regarding the certification of our products we are willing to send you the copies of the relevant documents upon request Nonreusable NR In order for your KN95 particulate respirator to effectively protect you from the particulate matter you should wear it for a maximum of four to five hours Please do not share your mask with other people If your respirator mask becomes damaged or dirty throw it away Please follow our instructions for proper user seal checks before each use Fluid Resistant Our filtering face piece respirators are FDAcleared as being adequately fluid resistant Therefore they are recommended for use during surgical procedures or circumstances where one could come in contact with infectious splatters of bodily fluids User Seal Check Before entering a possibly contaminated area you need to properly put on your filtering face piece To do this you need to Take the mask by its ear loops one in each hand with the nose clip up Position the respirator under your chin Place each ear loop behind its respective ear Adjust the mask carefully against your face not allowing for any gaps between the mask and your face Adjust the nose clip with both hands to ensure the nose clip is firmly tightened Pinching it with just one hand is not advised as it might affect the tightness of the mask Finally check if you completed all of the steps correctly by putting both of your hands over the mask so as to not affect its position and then quickly exhale Depending on where you fill the air passing adjust the nose clip or the entire mask accordingly following the aforementioned steps If there are no gaps for the air to pass through you have correctly put on the mask