This listing features a box of six Air Handler MERV 7 pleated filters, each measuring 20x24x4 inches. Designed for optimal air filtration, these filters effectively capture dust, pollen, and other airborne particles, enhancing indoor air quality. Ideal for residential or commercial HVAC systems, they are manufactured for W.W. Grainger, ensuring reliability and performance. Perfect for those looking to maintain a clean and healthy environment.