Cardboard Frame Filter
The Technicis cardboard frame filter is a lightweight, innovative solution for air pre-filtration in offices, ceiling diffusers, and industrial booths.
✅ High-quality media in synthetic fiber or fiberglass, available in G3 / G4 / F5 / F7, pleated or flat
💨 Low pressure drop to save energy
♻️ Eco-friendly and recyclable, fully incinerable
⏱️ Quick installation and low maintenance, compatible with most HVAC systems and standard frames
🔹 Technicis Filtration offers a full range of filter frames, standard or custom-made, to fit all brands of installations.
🏭 Since 1992, Technicis Filtration has been a French filter manufacturer, specializing in air filtration in all industrial environments.
Cardboard Frame Filter – G3 / G4 Filtration for Diffusers and Industrial Booths
The Technicis cardboard frame filter provides efficient and cost-effective pre-filtration of air in ventilation systems, ceiling diffusers, and industrial paint booths. Available in flat or pleated versions, it combines a rigid, recyclable cardboard frame with a high-quality synthetic or fiberglass media. Available in G3 and G4 classes (ISO Coarse 50% / 65%), it offers excellent performance-to-cost ratio while minimizing environmental impact.
Technical Features
- Type: Flat or pleated filter with rigid cardboard frame
- Filter media: Synthetic fiber (G3 / G4) or fiberglass (G2 / G3)
- Filtration class: ISO Coarse 50%–65% according to ISO 16890
- Nominal thickness: 24 mm or 48 mm
- Initial pressure drop: 20–30 Pa depending on media and airflow
- Air velocity: 1.5–2.5 m/s
- Maximum pressure drop: 150–250 Pa
- Operating temperature: up to 80°C
- Nominal flow: 1,600–3,400 m³/h/m²
- Frame: rigid, recyclable cardboard resistant to humidity
- Disposal: 100% incinerable
Key Advantages
- Lightweight: easy to install in ceilings and suspended systems
- Economical: lower cost than metal frames, ideal for frequent replacement
- Durable: rigid frame and high-density media resistant to humidity
- Eco-friendly: fully recyclable and incinerable
- Stable performance: consistent efficiency throughout filter life
- Compatible: suitable for most HVAC systems and industrial booths
Typical Applications
- 🏢 Office air distribution – ceiling diffusers, cassette slots
- 🏭 Industrial facilities – pre-filtration in air handling units
- 🚗 Paint and coating booths – intake air filtration
- 🏥 Healthcare facilities – pre-filtration before HEPA stages
- 🏠 Commercial buildings – general ventilation and air conditioning
Filter Media Comparison
| Media Type | Class | Thickness | Gravimetric Efficiency | Initial Pressure Drop | Typical Use |
|---|---|---|---|---|---|
| Synthetic fiber | G3 / G4 | 24 mm | 87–96% | 23–27 Pa | Offices, booths, AHUs |
| Fiberglass | G2 / G3 | 48 mm | 75–85% | 20–30 Pa | Industry, paint, process air |
Why Choose Technicis?
Technicis offers a complete range of flat and pleated cardboard frame filters manufactured to high standards of quality and durability. Since 1992, Technicis has been a French manufacturer specializing in air filtration for all industrial environments. Our range is available in standard sizes or custom-made to fit any brand of installation.
- ⚙️ Fast manufacturing – 3–4 weeks depending on model
- 📦 Delivery across Europe
- 🔄 Compatible with all standard market dimensions
FAQ – Frequently Asked Questions
❓ Where can the cardboard frame filter be used?
The cardboard frame filter is used in industrial spray booths to efficiently capture overspray and protect ventilation systems. It is also ideal for ceiling air diffusers in offices, technical rooms, and public buildings to ensure good air quality. Typical applications: automotive, wood, metal, plastic, office environments.
❓ What are the advantages of the cardboard frame filter?
🔹 High efficiency: Captures up to 95% of overspray and fine particles.
🔹 Low pressure drop: Constant airflow reduces energy consumption.
🔹 Eco-friendly materials: Filter media made of synthetic fiber or recycled paper, recyclable cardboard frame.
🔹 Universal compatibility: Fits most industrial booths and ceiling diffusers.
❓ What are the technical specifications?
Standard sizes: 490×490 mm, 592×490 mm, 592×592 mm
Available thicknesses: 48 mm / 24 mm
Recommended airspeed: 0.25–1.5 m/s
Filtration class: ISO Coarse 50–65 (G3–G4)
Materials: pleated paper or synthetic fiber, recyclable cardboard frame
Available Sizes and Media Types
| Media | Quality | Dimensions (mm) |
|---|---|---|
| Glass Fiber | G3 – ISOC 50% | 248 x 495 x 48 |
| Glass Fiber | G3 – ISOC 50% | 290 x 595 x 48 |
| Glass Fiber | G3 – ISOC 50% | 395 x 495 x 48 |
| Glass Fiber | G3 – ISOC 50% | 395 x 625 x 48 |
| Glass Fiber | G3 – ISOC 50% | 495 x 495 x 48 |
| Glass Fiber | G3 – ISOC 50% | 495 x 625 x 48 |
| Glass Fiber | G3 – ISOC 50% | 595 x 595 x 48 |
| Synthetic Fiber | G3 – ISOC 50% | 248 x 495 x 24 |
| Synthetic Fiber | G3 – ISOC 50% | 290 x 595 x 24 |
| Synthetic Fiber | G3 – ISOC 50% | 395 x 495 x 24 |
| Synthetic Fiber | G3 – ISOC 50% | 395 x 625 x 24 |
| Synthetic Fiber | G3 – ISOC 50% | 495 x 495 x 24 |
| Synthetic Fiber | G3 – ISOC 50% | 495 x 625 x 24 |
| Synthetic Fiber | G3 – ISOC 50% | 595 x 595 x 24 |
| Synthetic Fiber | G4 – ISOC 65% | 248 x 495 x 24 |
| Synthetic Fiber | G4 – ISOC 65% | 290 x 595 x 24 |
| Synthetic Fiber | G4 – ISOC 65% | 395 x 495 x 24 |
| Synthetic Fiber | G4 – ISOC 65% | 395 x 625 x 24 |
| Synthetic Fiber | G4 – ISOC 65% | 495 x 495 x 24 |
| Synthetic Fiber | G4 – ISOC 65% | 495 x 625 x 24 |
| Synthetic Fiber | G4 – ISOC 65% | 595 x 595 x 24 |
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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