G4 Primary Rigid Frame Air Filter Product Description
1.Core Positioning
A professional primary air filtration product compliant with EN 779 standards, featuring a rigid frame structure for stable performance. It’s designed to pre-filter large particles (dust, lint, hair) in HVAC systems, protecting downstream equipment and extending the service life of high-efficiency filters.
2.Key Features
Reliable filtration performance: G4 efficiency grade, captures 90%+ of particles ≥5μm, effectively reducing airborne impurities.
Rigid frame design: Sturdy structure prevents deformation during installation and use, ensuring tight sealing and consistent airflow.
Durable materials: Frame made of galvanized steel or aluminum alloy; filter media adopts high-quality non-woven fabric or synthetic fiber, with good air permeability and dust-holding capacity.
Easy to install & maintain: Standard size fits most HVAC system slots, enabling quick replacement without complex tools.
3.Applications
Ideal for ventilation and air conditioning systems in commercial buildings, industrial workshops, offices, shopping malls, hospitals, and residential areas. Suitable for pre-filtration in data centers, clean rooms, and other places requiring multi-stage filtration.
4.Quality Assurance
Complies with international quality standards, undergoes strict air permeability and efficiency testing before shipment. Supports customized sizes and frame materials to meet specific project requirements.
