Model NO.: EN856-4SP Diameter: Inner Diameter From 13 to 63 Mm Standards: Sand Blasting Hose Inner Diameters: 1/2, 3/4, 1, 1-1/1, 1-1/2, 2, 2-1/2 Materials: Rubbers and Plastics Enforcing Layer: High Strengthed Synthesised Wick