Provox Micron HME. This HME protects against airborne particles, including viruses and bacteria, with a filtration efficiency of more than 99%. Highly effective, this device warms and humidifies the air you breathe in order to help reduce coughing and mucus production. Effectively provides filtration of the air you breathe in through the stoma with >99% filtration of bacteria and viruses. 5/box.

Manufacturer Part Numbers: 7247
GRP:GRV