Level 2 circular filter cotton KN100/KN95/KN90 non oily particles
Level 2 circular filter cotton KP100/KP95/KP90 oily and non oily particles
Level 3 circular filter cotton KN100/KN95/KN90 non oily particles
Level 3 circular filter cotton KP100/KP95/KP90 oily and non oily particles
2 series trapezoidal filter cotton KN100/KN95/KN90 non oily particles
2 series trapezoidal filter cotton KP100/KP95/KP90 oily and non oily particles
3 series buckle filter cotton KN100/KN95/KN90 non oily particles
3 series buckle filter cotton KP100/KP95/KP90 oily and non oily particles
HAIGU ABS P-A-1protective organic gas or vapor
HAIGU ABS P-K-1 protective ammonia and ammonia organic derivatives
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