vacuum cleaner dust collection bag

Testing standard: ASTM F1977-04Standard Test Method for Determining Initial, Fractional, Filtration Efficiency of a Vacuum Cleaner System1  DIN 44956-2

We can make it water & oil repellent(easier to remove dust).

vacuum cleaner dust collection bag is of Good endurance; Large volume of containing dust; From one layer to 5 layer; Filtration efficiency from 95% to HEPA grade 99.97% at 0.3um.

vacuum cleaner dust collection bag is of Good endurance; Large volume of containing dust; From one layer to 5 layer;

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