| Technical Parameters | ||||||
| Efficienty | Norminal Size | Actual Size | Rated Capacity | Pressure Drop | ||
| Dot Spot Eiifciency in (NBS) | Arrestance (in AF) | W*H*D(mm) | W*H*D(mm) | CMH | Initial Resistance | Final Resistance |
| ＞65 | 12*24*1 | 289*595*22 | 1700 | 129 | 250 | |
| 20*20*1 | 492*492*22 | 2380 | ||||
| 20*24*1 | 492*595*22 | 2800 | ||||
| 24*24*1 | 595*595*22 | 3400 | ||||
| ＞65 | 12*24*2 | 289*595*45 | 1700 | 62 | 250 | |
| 20*20*2 | 492*492*45 | 2380 | ||||
| 20*24*2 | 492*595*45 | 2800 | ||||
| 24*24*2 | 595*595*45 | 3400 | ||||
