... ,Helix Supported highly flexible abrasion-proof cheap Specifications1. PVC materials High quality 2. Specification: 3/4" to 10" 3. Length: 20m/roll ... ,red,black,clear etcProduct details1. Made of: new PVC materials High quality 2. Specification: 3/4" to 10" 19mm-250mm3. Length: ... for pumping and delivery fluids such as water ,oil and powder in agriculture, factory and construction , can fit to PVC ...