Product description

1. Higher air permeability and dust retention
2. good tensile and Bursting Strength
3. paper of plastic collar
4. customized for different brand
5. catching animal hair, particles, dust, smoke, bacterial, etc
6. A variety of colors to choose, light-brown, blue, white, yellow, etc
7. our professional engineer can design the filters and choose the suitable material according to customer’s  requirement such as air flow, installation size, efficiency, resistance and so on.

1. Filter durability test per ASTM F494
2. Air pressure loss per: ASTM F-588
3. ASTM F1977-04: Determining Initial, fractional, filtration efficiency of vacuum cleaner filter test standard.
4. ANSI/ASHARE Standard 52.2-2007: Method of Test General Ventilation Air-Cleaning Devices for Removal Efficiency by particle size.