| 摘要 |
The air intake of a conventional automobile which is mounted in front of the windshield under the air intake cover at the rear of the hood is modified by the introduction into the duct of the air intake of a filtration pillow. The pillow is formed from a plurality of separate layers of filtration material including impregnated or particulate absorption material. The filter body is held in place either against a supporting grid or within a tray and held in place by hook type buttons adhesively attached to the grid or tray.
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