The SS-10 PAD 14"x21" from Koch Filter Corp is designed for efficient air filtration in various applications. This pad is made from high-quality materials that ensure durability and optimal performance. Each pad measures 14 inches by 21 inches and comes in a convenient pack of 25, making it ideal for both commercial and residential use. The SS-10 series is known for its excellent dust-holding capacity and low resistance to airflow, ensuring that your HVAC system operates efficiently. These pads are compliant with industry standards, providing peace of mind in their effectiveness.