Application:Used for drawing and conveying water, oil and powder in factory, agriculture, engineering - Suitable for high strength working environment like suction and discharge for sand - Characteristics:Spiral steel wire reinforced incorporated within the wall of flexible PVC tubing - Good adaptability to hard weather condition and minus pressure, small bending radius, anti-abrasion - Noma popular size 19mm, 25mm, 32mm, 38mm, 50mm, 64mm, 75mm, 102mm, 152mm