Protect is not only an HME, it’s a also a highly effective bacteria, virus, dust and pollen filter. It helps protect you from airborne particles (such as viruses, bacteria, dust and pollen) by effective filtration upon inspiration* It protects those around you from airborned particles (such as viruses and bacteria) by effective filtration upon expiration* An HMEF with comfortable breathing resistance. It reduces mucus production and coughing. Non-sterile, for single use. *Please note: Since pathogens can enter and leave the human body in other ways (such as the mouth, nose, and eyes) Provox® Life? Protect HME can never guarantee complete protection. Protect HME filtration capacity may vary depending on the size. Packaging: 1 ea, 15 ea/bx