This air filter is a high-quality option for your furnace. It features a pleated design and is made with synthetic filter material, specifically polyester. The filter has a MERV 8 rating and a FPR of 4-5 Good, making it a reliable choice for capturing bacteria, dust mites, dust/lint, mold spores, and pet dander. With a size of 20x30 and a height of 30 inches, this unit is a standard pleated air filter. It has a white color and is made with cardboard filter frame material. The filter has a life of 3 months and is manufactured in the United States. This product comes in a pack of 3 and is a great addition to any indoor air quality and fans collection.