kalado KCA01 Air Replacement,3-1 H13 True hepa,High-Efficiency,2 Pack,White

3-STAGE AIR PURIFICATION: Stage 1: Pre-filter; Stage 2: Activated carbon filter; Stage 3: True HEPA filter H13 TRUE HEPA TECHNOLOGY: The H13 True HEPA filter effectively captures at least 99.97% of airborne particles 0.3 microns in size KALADO REPLACEMENT FILTER: Exclusively designed for KALADO air purifier to maintain its peak performance. With cost-effective price to save much cost for your all-year-round air cleaning need. It is recommended to replace filters every 2-4months TRAPS LARGE PARTICLE: Ultra-fine Nylon Pre-Filter captures large particles such as dust, lint, fibers, hair, and pet fur, also helps to maximize the filter’s life BREATHE EASIER: KALADO True HEPA filters improve air quality to improving sleep quality