The SPT-10 PAD 9"x20" from Koch Filter Corp is a compact air filter pad designed for efficient filtration in smaller HVAC systems. With dimensions of 9 inches by 20 inches, it fits standard filter frames seamlessly. Each carton contains 25 pads, ensuring a cost-effective solution for maintaining air quality. The SPT-10 series is recognized for its high dust-holding capacity and low resistance, ensuring effective filtration without compromising airflow. This product meets industry standards for air filtration, making it a reliable choice for both commercial and residential use. Its design allows for easy installation and replacement.