2 Packs 311i Max Pre-Filter Replacement Cover Compatible with Blueair Blue Pure 311i Max Air Purifi-er, Washable Fabric Pre Filter

Perfect Fit Designed specifically for Blueair Blue Pure 311i Max Air Purifi-er. This fabric pre-filter cover is precisely sized to fit the original unit, helping maintain proper airflow while refreshing the appearance of your device | Protects the Main Filter Acts as an additional outer layer that helps collect larger airborne particles before it reaches the internal filter, supporting finer operation and helping absorb pet fur on the primary filter | Premium Fabric Material Made from durable, breathable fabric that allows smooth air circulation while offering reliable daily use. The soft texture complements home and office with a clean, modern look | Washable & Reusable Easy to clean when needed. Simply wash, air dry, and reinstall. Reusable design helps provides a convenient maintenance solution. | Value 2-Pack & Easy Installation Includes 2 fabric pre-filter covers for convenient replacement. No tools requiredsimply slip the cover onto your unit for a quick and hassle-free refresh.