Sell N95 new KN95 black with breathing valve dust-proof thick section non-woven adult breathable protective mask best price

Function: anti-fog, dustproof, anti-pathogenic bacteria, anti-formaldehyde, anti-car exhaust Material: Non-woven fabric Origin: Mainland China Province: Beijing City: Beijing Color classification: 10 black double breathing valve, 20 black double breathing valve, 40 black double breathing valve, 50 black double breathing valve, 100 black double breathing valve, 10 white double breathing valve 10, white double breathing valve 20 A white double breathing valve 40, white double breathing valve 50, white double breathing valve 100 Whether imported: domestic Production Enterprise: Yongchun Plastic Products Applicable object: Adult Safety Standard: China GB 2626 Standard Protective level: KN95