Authoritative International Certifications:FDA Registered Class II Medical Device, and certified by over 10 authorities such as CE and SGS
The filter can generally be used for 6 to 18 months (2000 hours)
Reduce the risk of contracting Influenza A, Influenza B, Covid19, RSV, ADV, Mycoplasma Pneumoniae, subtypes 1 and 3 of Influenza B and subtype 2 of Influenza B.