The SPT-10 PAD, measuring 22x55 inches, is a high-performance air filter from Koch Filter Corp. This filter is specifically designed for large air filtration systems, ensuring effective removal of airborne contaminants. Sold in an 8-count carton, it is perfect for commercial applications where air quality is paramount. The SPT-10 PAD is constructed to meet rigorous industry standards, providing durability and reliability. Its easy installation process makes it a preferred choice for HVAC professionals looking to enhance air quality.