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Features:
Bacterial Filtration Efficiency ≥95%
Exceptional inside filter for lower breathing resistance.
Ultrasonic welded hed-straps for the secure seat.
Adding activated carbon cloth , has a good adsorption performance.
Features:
Bacterial Filtration Efficiency ≥95%
Exceptional inside filter for lower breathing resistance.
Ultrasonic welded hed-straps for the secure seat.
Adding activated carbon cloth , has a good adsorption performance.