A dust mask is a flexible paper pad held over the nose and mouth by elastic or rubber straps for personal comfort against non-toxic nuisance dusts. They are not intended to provide protection from toxic airborne hazards.

• CE is confirmation of CE marking and the 4-digit number that follows it is the Notified Body number.  
• EN 149:2001 + A1:2009 is the European test standard.  
• CYRANO is the brand of safety mask.  
• FF (Filtering Facepiece) precedes the filtration level on all disposable masks.  
• P3 is the filtration level – other types may be P2 or P1.  
• NR means non-reusable; in other words, they should be discarded once removed. Some premium disposable masks may state R, which means they can be reused after being removed.  
• D appears at the end if the mask has been Dolomite tested. 
• Made in France is obviously the country of origin. It is not mandatory for this to be printed, but more reputable sources are often displayed to give the wearer confidence.