Compatible with Bionaire Models Designed to work seamlessly with specific Bionaire air purifier units, ensuring reliable fit and performance. Fits Models: 900, 900CS, 900CS Precisely engineered for these models to maintain air filtration efficiency. Specifications: Dimensions: 9 inches x 71/4 inches x 25/8 inches Exact sizing guarantees a proper seal for maximum effectiveness. Package Includes: 4 replacement filters for longterm use and convenient stock replenishment. Key Benefits: Maintains clean, fresh air in your home or office by effectively trapping dust, pollen, and other airborne particles. Helps extend the life of your air purifier by ensuring it runs efficiently with fresh, correctly sized filters. Easy to install and , allowing quick maintenance without tools or complicated steps. Use Scenarios: Ideal for households seeking improved indoor air quality, especially for allergy sufferers. for offices where clean air supports employee comfort and productivity. Suitable for environments with pets, reducing hair and dander circulation in the air. Performance: The filters are designed for consistent airflow while effectively capturing contaminants, helping to keep air fresh and breathable. Durable materials ensure they work effectively through the recommended usage period before replacement. With accurate compatibility, correct dimensions, and dependable performance, these replacement filters provide a practical solution for maintaining the quality and efficiency of your Bionaire air purification system.