7400 Smart Filter Replacement Compatible with Blueair 7470i, 7410i, 7440i, 7475i Air Purifiers, 1-Pack Integrated High-Efficiency with Activated Carbon and Pre-Filter

["Perfect Compatibility: Specifically designed for Blueair Purifier models 7470i, 7410i, 7440i, and 7475i. Note: This is an aftermarket replacement product, not OEM. Brand/model names are used solely to demonstrate compatibility","Advanced Odor Control: Features honeycomb-structured activated carbon that helps address household odors from cooking, pets, and smoke - designed to complement your machine performance","Complete Value Set: Includes 1 high-efficiency filter with integrated carbon layer, providing a cost-effective solution for your BA 7470i / 7410i / 7440i / 7475i machine maintenance needs","Quality Built Construction: Manufactured with durable materials to maintain proper airflow and fit throughout its service life in your 7410i purifier system","Smart Maintenance Guide: For consistent results with your 7470i, 7410i , 7440i, 7475i, we suggest replacing every 6~12 months depending on usage. Simple installation with no tools required"]