Anti-odour, anti-dust, anti-smoke, anti-dust, anti-fog, anti-fog, anti-smog and dust-proof
Place of origin:
The Chinese mainland
Color classification of the color:
Adult per capita (single loaded) 3 only fit 3 only (black) 5 freestanking (with suction valve) 5 fit 5 only 5 independent fit 10 detached fit 50 only detached (boxed)