1).be of large dust capacity
2).3times better than paper bag in air permeability
3).high efficiency
Port: Shanghai or Ningbo
Minimum Order Quantity: 2000 Piece/Pieces
Supply Ability: 20000 Piece/Pieces per Week
Payment Terms: T/T
Contact SupplierPackaging Detail: To be packed according to customers' requirements
Delivery Detail: It depends on the quantity.
1).filter bags are of Good endurance;
2)Large volume of containing dust
3).From 1 layer to 5 layer;
4)Filtration efficiency from 95% to HEPA grade 99.97% at 0.3um
5).can be designed to be anti-bacterial, odor removal,kill mites.
6).Testing Standard: ASTM F1977-04Standard Test Method for Determining Initial, Fractional, Filtration Efficiency of a Vacuum Cleaner System1 DIN 44956-2