The Glasfloss Puracell VP-S (4V) and VPX-S (2V) all-plastic frame extended surface mini-pleat filters offer high efficiency particulate removal, extended service life and extremely low resistance to air flow. The Puracell VP-S and VPX-S plastic frame filters incorporate a lightweight, high-impact polystyrene framework for strength and durability in demanding commercial and industrial applications, and offer high efficiency and low resistance to airflow. When compared to traditional rigid cell and traditional box style filters, the Puracell VP-S and VPX-S minipleat series offer superior performance, lower operating costs and significant energy savings. The Puracell VP-S and VPX-S are available in MERV 11, 13 and 15 performances.