- Effective filtration: 400 x 275 x 9 mm metal mesh filter fits most leading range hoods and ventilation slots, effectively filtering grease and impurities to maintain strong airflow and performance. - 5-layer aluminized filtration: Five aluminized grease layers trap grease more efficiently, helping your hood sustain peak efficiency and protect the ventilation system. - Easy replacement: Remove the old filter, align the clean filter interface, and install. Quick, tool-free, and minimizes downtime. - Maintains air circulation and odor control: Metal mesh design promotes good air movement while helping minimize kitchen odors. Regular replacement every 36 months is recommended. - Compatibility and fit: Designed to suit a wide range of brands; verify dimensions (400 x 275 x 9 mm) before purchase. - Practical use scenarios: After high-grease cooking sessions, during frequent frying or sautéing, and in small kitchens with limited ventilation.