Air Purifier Filter Replacement Compatible with Blueair Blue Max 3250i/3250

• EFFECTIVE FILTRATION PERFORMANCE: This replacement air purifier filter uses True H13 HEPA filtration to capture 99.97% of airborne particles down to 0.3 microns, including dust, pollen, pet dander and fine particles. The activated carbon layer helps reduce household odors and smoke, improving indoor air quality.
• COMPATIBLE MODELS – PLEASE CHECK BEFORE PURCHASE: Compatible with Blueair Blue Max 3350i & Blue Pure 311i Max Air Purifiers only. Not compatible with Blue Pure 311i+ Max or 311 Auto. Please confirm your air purifier model before ordering to ensure proper fit.
• ENERGY-EFFICIENT H13 HEPA CARBON FILTER: Designed as a high-efficiency 2-in-1 filter, combining H13 HEPA and activated carbon filtration in one unit. Helps maintain clean air efficiently while supporting stable airflow and consistent purification performance.
• EASY REPLACEMENT & USER-FRIENDLY DESIGN: The filter is designed for tool-free installation. Simply remove the old filter and install the new one. Please remember to remove the protective plastic bag before use. The filter fits securely and operates normally after installation.
• RECOMMENDED REPLACEMENT CYCLE: Filter lifespan is approximately 6–8 months, depending on air quality and usage frequency. Regular replacement helps maintain effective filtration performance and airflow efficiency.

This air purifier replacement filter is designed for use compatible with Blueair air purifier models. It features a True H13 HEPA filter combined with activated carbon, helping to capture fine particles and reduce common household odors. NOTE: THIS IS A 2-IN-1 FILTER AND DOES NOT INCLUDE A PRE-FILTER. FILTRATION STRUCTURE: H13 HEPA Filter: Captures 99.97% of particles as small as 0.3 microns Activated Carbon Layer: Helps reduce odors, smoke, and airborne pollutants Stable airflow design for consistent purification performance COMPATIBILITY INFORMATION: Compatible with Blueair Blue Max 3350i Compatible with Blue Pure 311i Max Not compatible with 311i+ Max or 311 Auto Installation & Maintenance Tool-free replacement Easy to install and remove Recommended replacement every 6–8 months, depending on usage and air conditions PACKAGE CONTENTS: 1 × Replacement Air Purifier Filter (2-in-1 HEPA & Activated Carbon)