Oxygen tube: oxygen silicone tube: imported silica gel plus platinum processing European standard silicone wire whisk, whisk the standard method in line with the US FDA silicone line, the German LFGB food grade standards. Non-toxic odor, high transparency. Oxygen is the preferred oxygen tube. 10 degree silicone hose: Silicone tube 10A Shore hardness silicone wire, silicone tube 10 degrees and feel very similar to the standard method of human tissues silicone wire, soft and good elasticity. Platinum sulfide, completely non-toxic odor-free, does not produce an allergic reaction on the human body. But poor tear resistance, our now sandwiched a layer of cloth, and enhance the tear resistance of the tube. French standard silicone wire, Merlin silicone rubber products (certified), silicone line provided by the Dongguan City Merlin Silicone Rubber Products Co., Ltd. Dongguan City Merlin Silicone Rubber Products Co., Ltd. (www.dgmerlin.com) is Dongguan, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Merlin silicone rubber products led the staff warmly welcome all inquiries negotiations to create Merlin silicone rubber products a better future.