A multilayer synthetic-fibre mat with progressive efficiency that loads in depth, increasing service life and lowering pressure drop and energy use. Used for industrial, hotel, food, painting-booth and cleanroom pre-filtration. Available framed or as VNF rolls.
| Type | Synthetic-fibre progressive media |
| Frame | Cardboard |
| Efficiency (ISO 16890) | Coarse 70–90% (EN 779 G2–G4) |
| Holding capacity | 620 g/m² |
| Initial / final ΔP | 35 Pa / 250 Pa |
| Thickness | 20 mm |
| Max. operating temp. | 212 °F (100 °C), peak 248 °F (120 °C) |
| Max. relative humidity | 100% |
Imperial units, converted from the metric catalogue. Airflow at nominal flow. Custom sizes available on request.