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Pre-filter G3 or G4
Made of synthetic fiber, suitable for prefiltration and air intake in extraction and ventilation systems.
This filter is used for air intake in extraction systems, ventilation systems, air handling units, and electrical cabinets or enclosures.
Available in various thicknesses, densities, and efficiency levels, compliant with EN779 / ISO16890 standards.
Available in rolls or pre-cut panels.
Since 1992, Technicis Filtration has been a leading supplier and manufacturer of air filters for industrial spray booths, ventilation and dust collection.
Features
Available Widths/Lengths :
Available in rolls : 1m or 2m width * 20m length)
or pre-cut panels (contact us for details)
Raw materials and treatments
- Unbreakable synthetic fiber, free from varnish-damaging and silicone
- Density :
Pre-filter G3 : 150g/m²
Pre-filter G4 : 200g/m²
Thickness :
Pre-filter G3 : 14mm
Pre-filter G4 : 17mm
Performances
Filter Efficiency: Complies with EN779 / ISO 16890 standards : G3 or G4
Initial Pressure Drop (at 1.5m/s) :
Pre-filter G3 : 36 Pa
Pre-filter G4 : 50 Pa
Retention Capacity:
Pre-filter G3 : 380g/m²
Pre-filter G4 : 430g/m²
Temperature Resistance:: 100°C continuous (maximum 120°C)
Applications
- Pre-filtration of air intakes in paint booth
- Air suction system
- Ventilation
- Air conditioning
- Electrical cabinets
- Compressor air intakes
Standards
- Testing: Complies with EN 779 / ISO 16890 standards
- Flammability Test: DIN 53438 F1/K1 (for the galvanized steel version)
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Technicis in a few words
Since 1992, TECHNICIS FILTRATION has established itself as the French leader in the manufacturing of paint booth filters, specializing in pleated cardboard filters.
Experts in the filtration of overspray and mist generated in industrial spray booths and surface treatment environments, we develop and offer a wide range of filters tailored to all finishing processes on wood, metal, plastic, composite, glass, or leather, compatible with all brands of installations.
We also design custom exhaust units and extraction walls, engineered to efficiently capture and filter overspray and mist in industrial environments.

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