Infant silicone bellows are also called silicone threaded tubes, and some like to call them silicone breathing circuits. Infant silicone bellows are mainly used by some babies and children. In order to unify the size and standard, this type of 8*16 silicone Bellow is defined as such. Its principle is to help people who can't breathe or have breathing disorders to carry out a gas delivery function. There are also two-way inhalation and exhalation silicone bellows, and there are also one-way gas delivery! Generally, silicone bellows are sold in sets, including breathing valves, water storage cups, joints and other assemblies, and silicone bellows are the main components that are responsible for transporting gas. When the whole set of products is combined It will be called a silicone breathing circuit because it is a complete set of accessories.