The STK-10 Pad measures 12"x12" and is designed for high-efficiency filtration applications. Manufactured by Koch Filter Corp, this pad features a durable construction that ensures optimal air quality and performance. Ideal for HVAC systems, it effectively captures airborne particles, enhancing indoor air quality. The pad is compliant with industry standards, making it suitable for various commercial and residential applications. Each carton contains 25 pads, providing a cost-effective solution for regular filter replacements.