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1.40min fire escape mask 2.good quality and reasonable price
3.easexperiment toxic agent Density Protection time
XHZLC30 XHZLC40 XHZLC60
HCN 40ppm >30M >40M >60M
CO 2500ppm >30M >40M >40M
HCL 1000ppm >30M >40M >40M
Particle filtration performance:>95%
Expiration resistance:<300pa
Inspiration Resistance:?800pay to us
