This type of filter is used for the first filtration of fresh air in air conditioning systems, mainly filtering various foreign substances in the atmosphere (such as leaves, willow catkins, etc.).
| frame | Aluminum Frame |
| filter material | Black nylon mesh |
| Filtration efficiency | G1/G2 |
| Continuous operating temperature | ≤70℃ |
| Suggested final resistance | ≤200Pa |
| External dimensions | Rated air volume | Filtration efficiency | initial resistance |
| L长*W宽*D高 （mm） | (m³/h) | EN779 | （Pa） |
| 595*595*10 | 3200 | G2 | 15 |
| 495*595*10 | 2700 | G2 | 15 |
| 295*595*10 | 1600 | G2 | 15 |
Remarks: The resistance values are different at different wind speeds. Special dimensions and specifications can be customized according to customer requirements
| ASHRAE52.2 | EN779 |
| MERV | G1 |
| MERV2-4 | G2 |
