4 ply non-woven melt blown PP and active carbon filter for smell filtering

Size: 90 x 180 in mm

Ear Loop: 190mm

Bacteria Filtration  Efficiency (BFE): Min. 99%

Pressure Differential (Delta-P): Max. 1.6mm/Aq

Particles (> 0.3 microns); Less than 50 ea (Dry Flex test)

Packing: 50pcs/Bag