The KOCH FILTER CORP MG300 20x100-104 air filter is engineered for maximum filtration efficiency. With dimensions of 20x100 inches, it is perfect for large HVAC systems that require extensive coverage. This filter features a robust design that effectively traps dust, allergens, and other airborne particles. Packaged with 6 units per carton, it provides convenience for installation. Its durable materials comply with industry standards, making it suitable for both commercial and industrial applications. Improve your air quality with this essential filtration solution.