General description These core replacement filters are exclusively designed for the Core Mini air purifier, ensuring a precise fit to enhance the efficiency and effectiveness of your air purification system. The filters feature a 3-stage filtration system, including a pre-filter, H13 True HEPA filter, and activated carbon filter, which work together to capture airborne particles and unwanted odors, ensuring cleaner and fresher indoor air. Technical specifications Filter Type: Pre-filter, H13 True HEPA filter, Activated carbon filter Particle Capture Efficiency: 99.97% of airborne particles down to 0.3 micrometers Color: White Material: Plastic Package Contents: 3 Filters, 10 Aroma Pads Measurement Allowed Error: +/- 1-3 cm Installation No tools or technical knowledge are needed; the Core Mini filter can be quickly installed in just 4 steps. For optimal performance, it is recommended to clean the filter every 2-4 weeks and replace it every 4-6 months based on usage frequency and