... metal frame, fiber material, net outside, v-type boxFiltration Grade:Hepa FilterMedium Material:fiber class and ... kinds of HEPA Filter specifications and dimensions, we wouls like to list some for referance below: Dimension ... 2000,85/3000,145/4000There are so many filter size and technical data, we could manufacture ... customer's all needs. V-type F7-H10 high efficiency pleated hepa filter for purification