No filter paper, no-odor, more: don ' t-worry about the influence of filter paper on coffee-flavor Don ' t-worry about running out of filter paper, reduce paper waste and protect the environment The inner layer of the filter paper is-woven by high-density superfine metal wires, which is isolated from coffee-powder The outer layer of the thickened stainless steel plate is laser-perforated to provide additional protections The filter handle adopts double-layer filter structure, which is matched-with professional Italian-coffee machine to achieve-good filtering effect ABS-resin is and tasteless, which meets the-health and requirements of pharmaceutical-and food industries: good oil resistance, smooth-surface and easy cleaning