What are KN95 Respirators?

KN95 respirators are disposable respirators approved by Standardizations Administration of the Peoples Republic of China (PRC) regulated under GB2626-2019 Respiratory Protective Equipment, Non-Powered Air-Purifying Particle Respirator Standards. Much like NIOSH standards, GB2626-2019 requires that the material in the KN95 respirator must provide a minimum filtration efficiency of at least 95% of particulate matter >0.3 microns and a maximum of 8% and leakage to the inside of the respirator. These types of respirators typically feature a very tight snug fit on the face.

What to look for in a KN95 Respirator?

• Nosepiece and Earloops. The nosepiece and earloops to KN95 respirator play an important role in not only comfort of the mask, but also effectiveness. A KN95 respirator needs to fit tightly against the wearer’s face for full effectiveness.
• Exhalation valve. Even though not required for KN95 certification, some users prefer a one-way exhalation valve that gives lower exhalation resistance for hot and humid working conditions.
• Mask shape. The most common style shape for the KN95 is the respirator is the flat fold (vertical folding), but they are also available in a cone style (also referred to as cup). BNX produces several style KN95 respirators. Respirator shape is most often a matter of user preference.