Features:The Silica Gel Tube is used to replace the inner tube of pump head.Adopting imported high-quality food grade silicone materials, vulcanization process of platinum.High transparency, odorless, non-toxic, anti high temperature, anti low temperature, long life.Widely used in the field of experiment, medical, biochemical analysis, pharmaceuticals, fine chemicals, biotechnology, food, environmental protection, family, etc.Total length is 1m/3.3ft.