4 Pack FLT4825SM Replacement Filter B Compatible with AC4300/AC4825/AC4900 Series, Carbon Layer & Pre-Filter

["Efficient Multi-Layer Filtration: Designed with a dense filter media and carbon layer to capture common household particles such as dust, lint, smoke, and pet dander, helping improve the freshness of your indoor air.","Odor Reduction: The built-in activated carbon layer absorbs unwanted smells from cooking, pets, and garbage, leaving your living space feeling clean and pleasant.","Compatible Models: Specially engineered to fit for AC4300, AC4825, AC4850, AC4900, ensuring a secure fit and consistent performance.","Long-Lasting Value: Each filter delivers reliable performance for up to 6–12 months depending on usage and air quality. With 4 filters in one set, you get a convenient supply to keep your unit working efficiently all year round.","Quick & Simple Replacement: Installing the filter is hassle-free—just open the device’s back panel, take out the used filter, and slide in a fresh one to maintain optimal airflow and cleaner air in your home or office."]