Our masks are certified by ECM and Shenzhen POCE Technology Co., Ltd. that they have passed the EN 149:2001+A1:2009 standard with FFP1 classification. This European Standard specifies minimum requirements for filtering half masks as respiratory protective devices to protect against particles except for escape purposes.
Our masks use the KN95 filter system.
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Other certifications for our masks includes Inhalation and Exhalation Resistance testing by Nelson Laboratories. This test is one out of the three tests that need to be performed to meet the pre-qualification testing requirements to apply for a NIOSH Respirator certification.
Sources:
http://entecerma.it/certificate.php
https://www.nelsonlabs.com/wp-content/uploads/2020/03/Respirator-Testing-Requirements.pdf
