Colds and flu are spread in droplets of coughs and sneezes. Wearing this mask can help reduce the spread of your cough and sneeze droplets to other people. Ideal for home health care use. Filters out 99% of wearers exhaled bacteria.* Lightweight, breathable. 3-layer construction. Latex free. *Determined by the Modified Greene and Vesley Method, a standard industry test. Product Benefits.