Micro-channel fluid filters and methods of use are provided herein. In one embodiment a fluid film may include a plurality of dividing walls extending from an upper surface of a film, the plurality of dividing walls forming a plurality of tapered inlet channels, a plurality of cross channels formed along a length of each of the plurality of dividing walls, an inlet channel for each of the plurality of tapered inlet channels, and an outlet channel for each of the plurality of tapered inlet channels.