Applications: 1) diameter size:3/4inch-8inch 2) mainly use in factories, agriculture, engineering, foodstuffs and sanitation. 3) have three grades: agriculture, industry, food. 4) working temperature: -10. Characteristics: 1) with steel wire screwing inlaid in the hose. 2) transparent, with small bending radius. 3) has good adaptability to hard weather conditions and minus pressure. 4) with red and blue symbol lines. As customer's requirement