The Glasfloss Puracell® VP (4V) and VPX (2V) series extended surface mini-pleat filters offer high efficiency particulate removal, extended service life and extremely low resistance to air flow. The Puracell® VP (4V) and VPX (2V) frame filters incorporate lightweight, high-impact polystyrene framework for strength and durability in demanding commercial and industrial applications. When compared to traditional rigid cell and traditional box style filters, the Puracell® VP (4V) and VPX (2V) 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 15 performances. The Puracell® VP is also available in MERV 16 and 99.97% HEPA grade performance.