Air Preparation Units and Accessory FESTO Air Filter, OF-MINI-1/4".3/8", OF-MIDI-1/2".3/4",
| Filters | MINI | MIDI | |||||
| 40µm | Manual Drain | OF-1/8-MINI | OF-1/4-MINI | OF-3/8-MINI | OF-3/8-MIDI | OF-1/2-MIDI | OF-3/4-MIDI |
| 5µm | OF-1/8-5M-MINI | OF-1/4-5M-MINI | OF-3/8-5M-MINI | OF-3/8-5M-MIDI | OF-1/2-5M-MIDI | OF-3/4-5M-MIDI | |
| Medium | Compressed air | ||||||
| Features of structure | Sintered filter with water spartor | ||||||
| Mounting type | Pipe mounting or foot mounting | ||||||
| Assembly position | Vertical±5° | ||||||
| Connection | G1/8" | G1/4" | G3/8" | G3/8" | G1/2" | G3/4" | |
| Standard nominal flow rate | F-... | 1000 | 1200 | 1400 | 2700 | 3000 | 3000 |
| F-...-5M | 600 | 950 | 1100 | 1800 | 1900 | 1900 | |
| Primary pressure | Manual drain | 1-16bar | |||||
| Grade of filtration | 40µm/5µm | ||||||
| Ma.condensate capacity | 22ml | ||||||
| Timperature range | 0~60℃ | ||||||
| Materials information | Housing:Zinc die-casting;Filter bowl :PC;Metal bowl guard:Aluminium alloy;Sealing:NBR | ||||||

| Model | E3 | E4 | E7 | E8 | E9 | F1 | F4 | F5 |
| OF-...-MINI | 40 | 39 | 2 | 64 | 52 | G1/8", G1/4", G3/8" | M4 | 4.5 |
| OF-...-MIDI | 55 | 47 | 3 | 85 | 70 | G1/8", G1/2", G3/4" | M5 | 5.5 |
| Model | L1 | L2 | L3 | H4 | H5 | H6 | H8 | H9 |
| OF-...-MINI | 44 | 35 | 11 | 17.5 | 20 | 15 | 144 | 129 |
| OF-...-MIDI | 71 | 60 | 22 | 24.5 | 32 | 15 | 179 | 156 |