Transparent cavity filter rod

Abstract

1. Name of the product in this design: Transparent cavity filter rod. 2. Purpose of this design: As a filter rod, filter element, or section of a composite filter rod or filter element for cigarettes or heated tobacco products, used for smoke filtration after being rolled with a cigarette. 3. The key design features of this product are the combination of shape and pattern. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. The rear view, top view, and bottom view of each design are the same as the front view of each design, and the rear view, top view, and bottom view of each design are omitted. 6. Design 1 is designated as the basic design. 7. In Design 1 and Design 2, parts A and B are transparent thin film paper.

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