Corners of ventilation port filter

Abstract

1. The name of this design product: the corner of the ventilation port filter. 2. Purpose of the product of this design: The overall purpose is to be installed at the ventilation port to filter dirt and indicate the replacement period of the filter; the local purpose is to filter dirt and indicate the replacement period of the filter. 3. The design key points of this appearance design product are: the main view. 4. The picture or photo that best illustrates the key points of the design: main view. 5. Other situations that need explanation: The part indicated by the solid line is the part for which protection is sought in this design. The shaded part in the front view reference diagram represents the transparent adhesive material. The shaded part in the rear view reference diagram after use represents the filtered dirt.

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