| 摘要 |
A flat foldable filter funnel having open and flat-folded configurations includes a base having an elongated aperture, and a generally wedge-shaped filter support. The filter support includes at least two opposing pleated walls, and at least two opposing sidewalls connected at a first end of the filter support to define a fluid flow aperture. At least a portion of the filter support extends through the elongated aperture. The filter funnel may also include a fine mesh adjacent to the fluid flow aperture. The filter funnel may be adapted to include a plurality of fluid flow apertures located on the sidewalls and pleated walls.
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