F6-H14. EU6-EU10, with separator or not, commonly used in engineering and house ventilation, some of them for special used Quick Details Efficiency:95%-99.9999999%Construction:Aluminum frame or metal frame, fiber material, net outside, v-type boxFiltration Grade:Hepa FilterMedium Material:fiber class and chemical fiber or corrugated paper.Place of Origin:Henan China (Mainland)Brand Name: ...