Suitable for individuals or families concerned about indoor air quality, especially those sensitive to dust, pet hair, and allergens. What it does: captures dust, pet dander, pollen and odors to keep indoor air clean and fresh. Benefits: long lasting filtration that extends your air purifier life and reduces replacement frequency and cost. How it works: multi layer filtration using advanced media to trap fine particles and improve overall air quality. Compatibility and fit: designed to fit a wide range of compatible air purifiers; please verify model compatibility before . Materials and performance: built with durable filtration media for reliable performance across typical room sizes. Use scenarios: Pet owners seeking reduction of fur and dander in living spaces. Allergy or asthma sufferers needing cleaner indoor air. Homes with cooking odors or tobacco smoke in small to medium rooms. Maintenance: according to manufacturer recommendations, and when your purifier indicates.