Material: Photocatalyst nonwoven + Efficient filter cloth+ Photocatalyst nonwoven

Size: 17.5 x 9.5 cm (3 layers)

Color: Black

Package: Neutral packing, 50 pcs/box, 2000 pcs/carton or as requested

Features: To degrade and block against the virus, hazardous organisms, fouling and odor, the efficiency is above 99.89%, to block against PM2.5, the efficiency is above 95%

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