HOW TO USE AN VALVELESS MEDICAL FACE MASK with UGMA FİLTER
- The duration of use is 2 years in vacuum packaging.
- Ambient temperature used upper limit is 40 oC, lower limit - 10 oC.
- Along with Covid 19, the importance of microbial conservation has been understood. At this point, the UGMA class, which does not give passage to viruses and other microorganisms, has brought a new generation of mask filtration technology to the world.