The MG200 25x100-105 is a 25"x20" filter featuring 5 links, packaged in sets of 4 by Koch Filter Corp. This filter is engineered for high-performance air filtration, effectively removing contaminants from the air stream. Its robust construction ensures durability and longevity, making it suitable for both commercial and residential applications. The filter meets industry standards for efficiency and is compatible with various HVAC systems. Ideal for maintaining optimal air quality, the MG200 series is a trusted choice for effective filtration.