2-Pack MA-40 Replacement Filter Compatible with MA Air Purifier 40 Series, 3-in-1 H13 True HEPA Filter, Pre-Filter and Activated Carbon for MA40W MA40B

COMPATIBILITY: Designed as a generic replacement filter fully compatible with Medify Air MA-40 Series Air Purifiers, including models MA-40-W (MA40W) and MA-40-B (MA40B). Please verify your air purifier model before purchase to ensure proper fitment. | 3-STAGE FILTRATION SYSTEM: Engineered with a 3-in-1 filtration design consisting of a Fine Pre-Filter, H13 Grade True HEPA Filter, and High-Efficiency Activated Carbon Filter. This structure effectively captures 99.97% of airborne particles as small as 0.3 microns. | PARTICLE & ODOR REDUCTION: The activated carbon layer physically absorbs household odors from cooking, smoke, and pets, while the HEPA layer intercepts fine dust, pollen, and pet dander, contributing to a cleaner indoor environment. | LONG-LASTING PERFORMANCE: Contains 2 replacement filters. For optimal performance, it is recommended to replace the filter every 6-8 months or after 3,000 hours of operation, depending on the surrounding air quality and usage frequency. | EASY INSTALLATION: Designed for a precise fit, allowing for quick and tool-free replacement. Simply remove the old filter and slide the new one into place to restore your unit's efficiency immediately.