| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| ALCO FILTER | MD451 | Direct Cross Interchange | 4 |
| SCT Germany | SH4757 | Direct Cross Interchange | 4 |
| MECAFILTER | ELH4366 | Direct Cross Interchange | 3 |
| MITSUBISHI | ME084641 | Indirect Cross Interchange | 3 |
| KANGNAM | RBE160 | Indirect Cross Interchange | 1 |