This Filtrete air filter with True HEPA filtration technology is a premium product for your air purifier. It comes in a pack of 1 and is designed to reduce odor effectively. The filter is suitable for use with 3M air purifiers and provides high-quality indoor air filtration. The color of the filter is white, and it is suitable for indoor air quality and fans. With this filter, you can ensure that your home air is free from harmful particles and allergens.