Chihiros Filter Hose Pro will not be affected by hot or cold temperatures. Food-grade silicone material, colorless and tasteless, with a service life more than 10 years.  Filter Hose Pro adopts a special surface spraying process, the texture is soft and smooth, and it is not easy to get dusty. The gray color is more atmospheric, and you don�t have to worry about the internal algae cleaning issue of the pipe. 3 meters(1.5X2 pcs)