Filtration efficiency
Both KN95 and N95 are designed to filter at least 95% of airborne particles. The difference is the standard they are tested against: KN95 follows the Chinese GB2626 standard, while N95 follows the US NIOSH standard.
- KN95: GB2626 standard (China)
- N95: NIOSH standard (US)
- Both filter at least 95% of particles
