Odor-proof check valve

Abstract

1. The name of this design product: Deodorizing check valve. 2. Purpose of this design product: to prevent water from flowing back into the sewer and causing odor. 3. The design key points of this appearance design product are: the combination of shape, pattern and color. 4. The picture or photo that best illustrates the design points: combination status diagram. 5. The design for which protection is sought includes color. 6. The left view of component 1 is symmetrical with the right view of component 1, and the left view of component 1 is omitted; the rear view of component 3 is symmetrical with the front view of component 3, and the rear view of component 3 is omitted.

Images