Spiral steel wire reinforced incorporated within the wall of flexible PVC tubing Made from non-toxic ingredients, contains no harmful heavy metal components Excellent kink and crush resistance Transparent for easy flow monitoring Light weight yet tough and abrasion resistant Construction: Tube & cover: transparent PVC Reinforcement: steel wire spiral, the cooper wire can be insert when customer request. Application: Widely used for suction and discharge of water, oil and powdery articles in the industries, agriculture, engineering, foodstuffs and sanitation lines, the hose used for foodstuffs is made of special food grade PVC. It is non-toxic,light,without odor and transparent. The food grade PVC steel wire spring hose can be used for conveying milk, beverage, distilled liquor, beer, jam and other foods. We can also insert the cooper wire into hose. This hose can avoid the block of the flowing in the hose due to static, and protect users from getting electric shock or electric current impingement. Characteristics: 1.Lightweight,flexible with small bending radius. 2.Durable against the external impact, chemical and climate 3.Transparent, easy to check the contents. 4.Anti-UV,anti-aginglong working life Temperature :-10(-50) to 65(+150)