Ventilation filter and its main body (portable type)

Abstract

1. Name of the product in this design: Ventilation filter and its main body (portable type). 2. Purpose of this design: This design is used for indoor ventilation. It is mainly used in offices, carriages, hotels, large shopping malls, factories and other places. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design. 6. Other situations requiring explanation: Design 2 of this design is a partial appearance, and the appearance shown in the red-covered area in the view is not required to be protected. The design for which protection is sought does not include color.

Images