1.cloth dust bag is of Good endurance 2.Large volume of containing dust 3.can be customized from one layers to 5 layers

cloth dust 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.  cloth dust 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