Electrostatic bacteria and viral filter for the reliable device protection and avoidance of cross- and back-contamination

Electrostatic bacteria and viral filter for the reliable device protection and avoidance of
cross- and back-contamination.
• Anatomically shaped mouthpiece
• Very low flow resistance
• Housing made of polypropylene
• Single packed
Filtration efficiency bacterial | viral: 99.9999 % | 99.999 %
Useing for Spirox pro
https://meditech.com.cn/Spirometer/SpirOx-pro.html