Materials of Manufacture
| Outer foam sock | 
Blue polyurethane foam sock up to 80°C 
HT/CR sock up to 120°C 
HT/NX sock up to 180°C | 
| 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 | 
| O-rings | 
Perbunan, silicon free and free of parting compounds | 
Retention rate at a particle size of 0,01 μm
| FF | 
99,999% | 
| MF | 
99,99998% | 
| SMF | 
99,99999% | 
Residual oil content at an inlet of 3 mg/m3
| FF | 
0,1 mg/m3 | 
| MF | 
0,03 mg/m3 | 
| SMF | 
< 0,01 mg/m3 | 
Max. differential pressure
5 bar at 20°C, independent from operation pressure
Start-up differential pressure
| FF | 
0,04 bar | 
| MF | 
0,08 bar | 
| SMF | 
0,09 bar |