Abatement Technologies-H1902 Pleated Filter 2In is a MERV 8 high-capacity replacement pre-filter designed for portable air scrubbers and negative air machines. Built with a non-woven, reinforced synthetic blend media, this 2-inch pleated filter captures fine particulate, dust, and debris to safeguard downstream primary HEPA filters. Engineered to deliver low resistance to airflow while maintaining superior particle retention, it supports high-volume air purification in restoration and healthcare containment operations.