1. Effective Filtration This range hood filter is made of metal grid material with dimensions 340 x 280 x 9 mm. It is designed to fit most leading brands of range hoods and ventilation slots and provides effective filtration for improved air quality. 2. 5 layer grease filtrationWith 5 layers of aluminized grease, this hood filter ensures better filtration and helps your range hood maintain its peak performance. It effectively traps grease and prevents it from entering the ventilation system. 3. Replacing the old range hood filter is easy. Simply remove the old filter and the interface of the clean filter. After confirmation, install the filter effortlessly. 4. Maintains air circulation: This metal grid exhaust filter enables optimal air circulation while removing unpleasant objects. For optimal performance, it is recommended to replace the filter every 3 6 months to maintain constant fresh air in your kitchen.