1.Three types available of 12/12mm, 12/16mm and 16/16mm. Suitable for various of hoses in the market
2.Easy and quick installation and disassembly
3.Tightly lock water, no blackflow
4.Double sealing ring design is more secure
5.Double switches, flexible to use
6.Special engineering plastics for long life
7.Suitable for both fresh and marine water