Fangrui Product Details Compatibility: This Filter Is Specially Designed For Levoit Core Mini-rf Air Purifier, Ensuring A Fit And Easy Installation. Please Check Your Air Purifier Model Before Purchasing. Advanced Filtration Technology: These Filters Are Engineered To Maintain Your Air Purifiers Efficiency, Reduce Dust And Allergen Penetration, And Improve Air Quality In Your Home. For Homes That Require High Air Purity. Eco-friendly And Durable: Made From Durable Materials, These Filters Not Only Support Environmental Sustainability, But Also Ensure Your Air Purifier Runs At Optimal Efficiency For Longer. Basic Air Purifier Maintenance: Replacing Old Or Damaged Filters Is Essential. These Durable Air Purifier Accessories Help Extend The Life Of Your Machine, Ensuring Your Unit Is Like New Every Time You Use It. Optimize Performance With Regular : To Maintain Optimal Performance, Your Filters Every 2-3 Months Depending On Usage. These Filters Are Easy To Remove And Install, And Are