Superior filtration: This filter is designed to fit most leading brands of range hoods and ventilation ducts. With 5-layer aluminized fat it provides excellent filtration, catching grease effectively and keeping your hood clean. Easy installation: Replacing your old filter is simple. Remove the old filter and install this clean filter properly. The straightforward installation saves time and ensures proper air circulation in your hood. Regular replacement: To maintain best performance and remove unwanted odors, replace the metal oil filter every 3-6 months. Regular replacement ensures maximum efficiency and long-lasting function. Compatible models: This filter is compatible with part numbers WRJ603UW, WRJ600UW, WRJ600US, WRJ600UK, RFD602W, RFD602S, and WRJ611US. It offers broad compatibility for a variety of range hoods. Use scenarios: - In a busy home kitchen with frequent grease production (frying, roasting), quick filter changes keep venting effective. - In rental properties or shared kitchens, standardized replacement parts simplify maintenance. - After heavy cooking sessions or when odors linger, replace to maintain air quality.