| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MANN-FILTER | C1776 | Direct Cross Interchange | 6 |
| ALCO FILTER | MD714 | Direct Cross Interchange | 5 |
| OTHERS | AD16931 | Direct Cross Interchange | 5 |
| UNIFLUX FILTERS | XA1840 | Direct Cross Interchange | 3 |
| ARMAFILT | L165930 | Indirect Cross Interchange | 2 |
| TEHO | 21174 | Indirect Cross Interchange | 2 |
| BALDWIN | PA3941 | Indirect Cross Interchange | 2 |
| FILTRAK | A546 | Indirect Cross Interchange | 2 |
| LUBER FINER | LAF8599 | Indirect Cross Interchange | 1 |
| GIF FILTER | GA712 | Indirect Cross Interchange | 1 |
| DIG?MA | DGML1776 | Indirect Cross Interchange | 1 |
| DIG?MA | DGML1774 | Indirect Cross Interchange | 1 |
| UNICO FILTER | AE16931 | Indirect Cross Interchange | 1 |
| BOMAG | 05722715 | Indirect Cross Interchange | 1 |
| CHAMP | LAF8599 | Indirect Cross Interchange | 1 |
| HATZ | 1493000 | Indirect Cross Interchange | 1 |