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dust nonwoven 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.
Description:
1. dust nonwoven bag is the new design.
2.Unique Structure Design, Higher dust capacity
3.Higher Air permeability and dust retention, good performance
4.Paper collar
5.Customized for different Brand
6.Catching animal hair, particles, dust, smoke, bacteria, etc
7.Efficiency can be from F8 to H13
Testing standard: ASTM F1977-04Standard Test Method for Determining Initial, Fractional, Filtration Efficiency of a Vacuum Cleaner System1 DIN 44956-2