Leemone 311i Max Pre-Filter Replacement filter for BLUEAIR Blue Pure 311i Max Air Purifier, Washable Fabric, 4 Pack

["【PERFECT FIT】: This 311i Max cover Replacement compatible with Blue Pure 311i Max Air Purifier","【NOTE】: Not compatible with Blue Pure 311i+ Max or 311 Auto. For Blue Pure 311i Max air purifier. Please verify the model number before making your purchase","【Easy Maintenance】: The pre-filter is removable, machine washable, and reusable. For a deeper clean, simply machine wash on a gentle, low-temperature cycle and hang to dry","【Effective Pre-Filtration】: The washable fabric effectively traps large particles like pollen, pet dander, and dust. Regularly vacuum the surface to keep it clean","【OUR DEAR CUSTOMERS】: If you encounter any quality issues, please don't hesitate to contact our 24/7 Leemone customer service team. We're here to address and resolve any concerns you may have promptly"]