UNM High Quality ptfe Nano-meter Waterproof and Breathable kn95 Mask Filter Membrane Cloth Facemask Membrane Video, Demo, How It Works & Features
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Product Specifications
Model NO.:
YKF040312
Membrane Type:
Roll
Type:
Gas-permeable membrane
Thickness:
0.2-0.3mm
Color:
White
Filtration Efficiency:
99.95%
Weight:
40G/M2
Size Range:
0.3-0.5um
Grade:
H12
Trademark:
UNM
Transport Package:
Carton
Specification:
2150mm
Origin:
China
HS Code:
5603129000