| Filter Material | Efficiency | Resistance(5.33cm/s) |
| Fiberglass | 99.97% | 90Pa |
| PP fiber | 99.9% | 30-50Pa |
| PP,PET | 99.9% | 20-40Pa |
| Polyester non-woven fabric | 99.97% | 20-40Pa |


Round HEPA Air Filter For Smoke And Dust Removal 99.9% Efficiency 90Pa Resistance
Feature
It's characteristic is that air can pass through, but fine particles cannot pass through.
It can remove more than 99.9% of particles with a diameter of 0.3 microns, and is the most effective filtration medium for pollutants such as smoke, dust and bacteria.
Besides,We are mainly engaged in Designing, Manufacturing, Testing & Verification, Manufacturing Processes and Quality Control, Engineering & Installation, and After-Sale Service of clean rooms and are devoted to controlling and treatment of air PM2.5, formaldehyde, benzene, VOC, and other toxic and hazardous substances.
Technical Data
| Filter Material | Efficiency | Resistance(5.33cm/s) |
| Fiberglass | 99.97% | 90Pa |
| PP fiber | 99.9% | 30-50Pa |
| PP,PET | 99.9% | 20-40Pa |
| Polyester non-woven fabric | 99.97% | 20-40Pa |

