The MA-50 Genuine Replacement Filter by Medify Air is a 3 in 1 filter that includes a pre-filter, H13 HEPA filter, and carbon filter, providing high-quality filtration for your air purifier. With a MERV rating of 13 and a filter life of 6 months, this filter effectively captures particles and allergens to improve indoor air quality. The filter is designed for easy installation and maintenance, making it a convenient choice for maintaining a clean and healthy living space. Made in the United States, this filter is a reliable option for ensuring fresh and clean air in your home.