The MG200 25x120-126 filter, measuring 25"x20" with 6 links, is available in packs of 4 from Koch Filter Corp. This high-efficiency filter is designed to capture a wide range of airborne particles, ensuring cleaner air in your environment. Its durable materials and construction provide long-lasting performance, making it suitable for various HVAC systems. The MG200 series adheres to industry standards for filtration efficiency, making it an excellent choice for both commercial and residential applications. Enhance your air quality with this reliable filter.