Brand new activated carbon HEPA filter fire retardant air filter
| Nominal Size (W*H*D) (inch) | Actual Size (W*H*D) (mm) | Rated Capacity (CMH) | Initial Resistance | Remove efficiency (%) |
| 12*24*1 | 289*595*22 | 1530 | 299 | Depending on field condition |
| 24*24*1 | 595*595*22 | 3060 | ||
| 12*24*2 | 289*595*45 | 1530 | 423 | |
| 24*24*2 | 595*595*45 | 3060 |
