The filter elements are reusable stainless steel mesh with viton rubber seals aroundthe inside and the outside edges, These filter elements come in different micron mesh openings to accommodate all different types, thickness andviscosities of oils and fluids. The larger the number the coarser the mesh. Elementswill be able to be reused manytimes over and over again by just cleaning the filter element. Should always have a spare element just incase the seals start failing. These elements will fit other brandsof flat screen style filters, including Oberg, Moroso and Holley.

The 115 micron element is uesd for engine oils 60 weight or Heavier