1.[All Compatibility]This metal mesh grease filter is designed to fit most leading brands of range hoods and range hood vents, ensuring a wide range of compatibility options for customers. 2.[Enhanced Filtration]With 5 layers of aluminized grease, this filter provides excellent filtration, effectively trapping grease and avoiding it from clogging the range hood. This ensures that your range hood maintains its peak performance. 3.[]Simply remove the old range hood filter, locate the clean filter interface, and install the filter. It's important to confirm that the interface is consistent before installation. 4.[Maintain Optimal Performance]To keep your cooker hood functioning at its , it's recommended to maintain air circulation. Replace the metal oil filter of the range hood every 3 - 6 months for the performance.