The SPT-5 PAD measures 12"x40" and comes in a pack of 8, designed by Koch Filter Corp. This high-efficiency pad is ideal for air filtration applications, ensuring optimal performance in various HVAC systems. Constructed from durable materials, it effectively captures airborne particles, enhancing indoor air quality. The pad's dimensions allow for easy installation in standard filter frames, making it a versatile choice for both residential and commercial use. With a focus on compliance with industry standards, the SPT-5 PAD is a reliable solution for maintaining clean air.