The MG200 MASTER LINK 20W x 20L filter from Koch Filter Corp is engineered for high-efficiency air filtration in HVAC systems. With dimensions of 20W x 20L inches, this filter is designed to fit standard air handling units, providing excellent dust and allergen capture. Its robust construction ensures long-lasting performance while maintaining low airflow resistance. Each carton contains 1 filter, making it a practical choice for maintenance schedules. The MG200 filter complies with industry standards, ensuring it meets the necessary requirements for air quality and system performance.