Loading…

G4 Primary Efficiency Cardboard Pleated Panel Pre Air Filter. High Efficiency Filtration: G4 grade achieves 90% efficiency for 5um particles. Wedge Folding Design: Increases filtering area with low resistance and large air volume. Durable Cardboard Frame: High strength cardboard frame ensures structural integrity. Versatile Applications: Suitable for HVAC, AHU, clean rooms, and painting systems. Cost-Effective Solution: Lightweight, disposable, and economically priced. Extended HEPA Life: Pre-filtration protects HEPA filters from premature dust accumulation. Multiple Efficiency Grades: Available in G1, G2, G3, and G4 stages for various needs. ISO and CE Certified: Products passed ISO9001:2008 and CE certification standards.