KN95 High Efficiency Respirator Masks
Multi-Layer High Efficiency Protection
Case of 4 Boxes; 20pcs/box
Composition: Non-woven, melt-blown cloth, Filter cotton
Implementation Standards: GB 2626-2006 KN95
Storage conditions: Store in a clean environment with humidity less than 80%, no corrosive gas and good ventilation.
Application: Daily protection
Recommended using time: It is recommended that each continuous using time cannot exceed 4 hours.