The Glasfloss Puracell VP (4V) all-plastic frame design and VPX (2V) plastic frame with metal struts extended surface mini-pleat filters offer high efficiency particulate removal, extended service life and extremely low resistance to air flow. The Puracell VP plastic frame filter incorporates lightweight, high-impact polystyrene framework for strength and durability in demanding commercial and industrial applications. The Puracell Series VPX (2V) incorporates rigid injection molded plastic framework and galvanized metal struts and offers high efficiency and low resistance to airflow. When compared to traditional rigid cell and traditional box style filters, the Puracell VP and VPX mini-pleat series offer superior performance, lower operating costs and significant energy savings. The Puracell VP and VPX are available in MERV 11, 13, 14 and MERV 15 performances. The Puracell VP is also available in MERV 16 and 99.97% HEPA Grade performance.