Pack of 4 replacement air filters for furnaces, HVAC, and AC systems Filters out and captures dust, pollen, pet dander, smoke, and other particles Engineered melt-blown design with a 3-layer composition and beverage board frame Nanofiber technology captures ultrafine pollutants and offers additional reinforcement Rated at MERV 13 efficiency for optimal air quality For best results, replace the filter every 3 months Color: Ivory Dimensions (L x W x H): 16 x 1 x 20 inches Weight: 0.75 pounds
