The SUPER FIBERGLASS PAD 28X42X1 by Koch Filter Corp is designed for high-efficiency air filtration in HVAC systems. This fiberglass pad measures 28x42 inches and is 1 inch thick, providing excellent particle capture capabilities. Ideal for both commercial and industrial applications, the pad is engineered to enhance airflow while maintaining filtration efficiency. Packaged in quantities of 25, this product offers a cost-effective solution for regular maintenance. Its lightweight design makes installation and replacement straightforward, ensuring optimal air quality in various environments.