The STK-10 PAD measures 19"x37" and comes in a pack of 8, designed by Koch Filter Corp. This high-efficiency filter pad is ideal for various air filtration applications, ensuring optimal performance in HVAC systems. Constructed from durable materials, it effectively captures airborne particles, enhancing indoor air quality. The pad's dimensions allow for easy installation in compatible systems, making it a versatile choice for both residential and commercial use. With a focus on compliance with industry standards, this filter pad is engineered to meet rigorous performance criteria.