7700 Smart Filter Replacement Compatible with Blueair 7710i, 7770i, 7740i, and 7775i Air Purifiers, Integrated High-Efficiency with Activated Carbon and Pre-Filter, 1-Pack

["Perfect Compatibility: Specifically designed for Blueair Purifier models 7770i, 7710i, 7740i, and 7775i. 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 7770i / 7710i / 7740i / 7775i machine maintenance needs","Quality Built Construction: Manufactured with durable materials to maintain proper airflow and fit throughout its service life in your 7710i purifier system","Smart Maintenance Guide: For consistent results with your 7770i, 7710i , 7740i, 7775i, we suggest replacing every 6~12 months depending on usage. Simple installation with no tools required"]