General description Replacement particle and carbon filters compatible with the Blue Pure 411 and 411+ air purifiers. These filters are designed to improve indoor air quality by effectively removing airborne particles and odors. Technical specifications Filter Type: 2-in-1 H13 HEPA filter Function: Captures airborne particles such as pollen, pet dander, viruses, and dust Activated Carbon Mesh: Captures household odors, smoke, chemicals, and volatile organic compounds (VOCs) Recyclability: 100% recyclable Recommended Replacement Frequency: Every 6 months if used 24 hours a day Usage Ideal for homes with pets and for individuals suffering from asthma and allergies, these filters ensure that you breathe fresh air by removing harmful particles and odors. Other information