The SPT-10 PAD 11"x40" from Koch Filter Corp is designed for efficient air filtration in various applications. This pad features a high-quality construction that ensures optimal performance and durability. Measuring 11 inches by 40 inches, it fits standard filter frames and is ideal for HVAC systems. Each carton contains 25 pads, making it a cost-effective solution for maintaining clean air environments. The pad is engineered to capture airborne particles effectively, enhancing indoor air quality while complying with industry standards.