The Filtrete 16x20x1 Air Filter MPR 300 MERV 5 Clean Living Dust Reduction 6-Pack is a high-quality electrostatic air filter designed to reduce dust and allergens in your home. With a MERV rating of 5 and a filter life of 3 months, this synthetic filter is efficient at capturing particles to improve indoor air quality. The filter frame is made of durable aluminum and the pack includes 6 units, making it perfect for use in air purifiers. Made in the United States, this filter is a reliable choice for maintaining clean and healthy air in your living space.