Ultra low resistance high efficiency filter, also known as ultra-low resistance high efficiency air filter, is mainly different from ordinary high efficiency filters in that its resistance is much smaller. The initial resistance is generally around 15Pa,
| Construction of ultra-low resistance purification device | Supply and return air static pressure box, ultra-low resistance filter, aluminum alloy grille louver air outlet with primary filter screen or spray plastic diffuser plate |
| Ultra low resistance filter frame | Aluminum frame/galvanized frame |
| filter element | With partition/without partition |
| sealant | PU two-component polyurethane adhesive |
| Sealing strip | EVA/polyurethane foam sealant |
| Wind speed (m/s) | 0.31 | 0.41 | 0.52 | 0.61 | 0.71 | 0.79 | 0.89 | 0.99 |
| Resistance (Pa) | 8 | 10 | 12 | 13 | 15 | 17 | 19 | 21 |
Remarks: The resistance values are different at different wind speeds. Special dimensions and specifications can be customized according to customer requirements