Materials of Manufacture
| No outer foam sock | According to requirements of automotive industry |
| Support sleeved inner/outer | Stainless steel 1.4301 |
| Pre- and after filter medium | Pleated Cerex |
| Filter medium | Binderfree nanofibres of borosilicate |
| Bonding | Polyurethane |
| End caps | Aluminium |
| 0-rings | Perbunan, silicon free and free of parting compounds |
Retention rate at a particle size of 0,01 μm
| FFP | 99,999% |
| MFP | 99,99998% |
| SMFP | 99,99999% |
Residual oil content at an inlet of 3 mg/m3
| FFP | 0,1 mg/m3 |
| MFP | 0,03 mg/m3 |
| SMFP | < 0,001 mg/m3 |
Max. differential pressure
5 bar at 20°C, independent from operation pressure
Start-up differential pressure
| FFP | 0,04 |
| MFP | 0,08 |
| SMFP | 0,09 |