High-efficiency pleated pre-filter designed to capture large particles and extend the life of downstream filters.

Category Specification
Filter Class G4 (EN779:2012), ~90% arrestance
Media Synthetic fiber / Polyester
Frame Cardboard / Galvanized Steel / ABS
Initial Pressure Drop 22–40 Pa
Final Pressure Drop ≤200–250 Pa
Air Flow 1180–3400 m³/h (varies by size, e.g., 595×595×22 mm at 1700 m³/h)
Temperature Limit Max 80°C
Common Sizes 595×595×20 / 46 / 96 mm (other sizes available)