<br><b>DESIGNED TO INTERNATIONAL TESTING STANDARDS</b><br><b><br></b>MEO? Lite Helix? Filter Pack of 3 contains three replaceable filters for your MEO? Lite mask.<br><br><ul><li>Superior electrostatic performance for capturing particles</li><li>Filters noxious gases</li><li>Inhibits growth of bacteria</li><li>Made from a renewable resource</li><li>Hypoallergenic</li><li>3D ergonomic design</li><li>Hypoallergenic</li></ul>