The filtering component of the neckerchief was tested according to the ČSN EN 149:2002+A1 standard Respiratory protective devices, filtering half masks to protect against particles.
Tests results: filtration effectiveness 99,395%
Protocol No. 712/2020 Výzkumný ústav bezpečnosti práce v.v.i. (Occupational Safety Research Institute) VÚBP ZL (ČIA EN ISO / IEC 17025/2018)
Note: the CUBEprotect neckerchief does not have the status of a protective device according to the EN149 standard due to its construction, therefore only the integrated filter, which is a part of the neckerchief, was tested according to this standard.