The present patent document provides embodiments of a filter and a system for use with the filter for separating dirt and other contaminates from wash liquids. In a preferred embodiment the filter comprises: a plurality of passages all oriented parallel to each other wherein the passages have a circular top with a first diameter and a circular bottom with a second smaller diameter and a portion in between the top and the bottom that is funnel shaped; a body that couples each of the plurality of passages together; wherein the passages are arranged in concentric circles radiating out from the center of the body.