The SPT 550 ROLL is a high-efficiency filter media roll, measuring 36 inches wide and 90 feet long, designed for versatile air filtration applications. This product is engineered to capture fine particles and contaminants, making it suitable for HVAC systems and industrial processes. Constructed from durable materials, it offers excellent airflow and filtration performance. Each carton contains one roll, providing ample supply for various projects. The SPT 550 ROLL meets industry standards for air filtration, ensuring compliance with ISO and ANSI regulations.