Covid masks: which ones to use?

Masks

Recommended mask categories are:

• single-use surgical masks complying with EN 14683 + AC: 2019 (with blue and white face) or a foreign standard recognized as equivalent;
• imported surgical-form masks made available on the national market, excluding fabric masks, with the following performances; a filtration of at least 90% particles of 3 microns emitted by the carrier. They must also:
  
  • be breathable enough to be worn for four hours;
  • have an air permeability exceeding 96 l/m² and per second, for a depression of 100 pascal;
  • cover the nose and chin and have no sagittal seam (vertical seam in the center);
  • when reusable, maintain performance after at least five washings.
• FFP2 or FFP3 masks complying with EN 149 + A1: 2009 or a foreign standard recognized as equivalent for those classes, provided that they do not have an expiratory valve;
• masks reserved for non-sanitary uses guaranteeing a filtration of at least 90% 3 micron particles emitted by the wearer), breathability allowing a wearing for a period of 4 hours and a permeability to air of greater than 96 l/m² and per second, for a depression of 100 pascal. These masks should not have sagittal seams and should cover the face of the nose and chin. When reusable, performance levels shall be maintained after at least 5 washes.

If homemade cloth masks or consumer masks of category 2 (guaranteeing filtration of 70% 3 micron particles emitted by the carrier) are not prohibited, they can no longer be worn in company or at school.