The initial efficiency plate filter is used for the first filtration of fresh air in air conditioning systems, mainly filtering suspended particles and various foreign objects (such as dust, pollen, mites, sand and dust, spray paint, fiber dust, willow ca
| frame | Aluminum frame/galvanized frame/stainless steel frame |
| Filter material | High quality polyester fiber filter cotton |
| supporting network | Galvanized grid/diamond grid |
| Filtration efficiency | G3/G4 |
| Continuous operating temperature | ≤80℃ |
| Product application | Central air conditioning and centralized ventilation system pre filtration Cleanroom return air filtration Pre filtration of local high-efficiency filtration device |
| Nominal size | External dimensions | Filtration efficiency | Rated air volume | initial resistance | Suggested final resistance |
| W*H*D (inch) | W*H*D （mm） | EN779 | (m³/h) | （pa） | （pa） |
| 24*24*1 | 595*595*21 | G3 | 1900 | 35 | 120 |
| 12*24*1 | 290*595*21 | G3 | 1000 | 35 | 120 |
| 20*24*1 | 490*595*21 | G3 | 1500 | 35 | 120 |
| 24*24*1 | 595*595*21 | G4 | 1900 | 45 | 150 |
| 20*24*1 | 490*595*21 | G4 | 1500 | 45 | 150 |
| 12*24*1 | 290*595*21 | G4 | 1000 | 45 | 150 |
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 1 | G1 |
| MERV2-4 | G2 |
| MERV5-6 | G3 |
| MERV7-9 | G4 |
| MERV10 | M5 |
| MERV11-12 | M6 |
