The SPT-10 PAD 20"x56" from Koch Filter Corp is a premium air filter pad designed for high-efficiency filtration. Each pad measures 20 inches by 56 inches and comes in a convenient pack of 8. This filter pad is engineered to capture dust, pollen, and other airborne contaminants, ensuring cleaner air in your environment. Its robust construction and materials provide long-lasting performance, making it suitable for various HVAC systems. The SPT-10 PAD is compliant with industry standards, ensuring reliability and effectiveness in air purification.