Application: As suction and transport hose especially suitable for below substance. Gaseous and liquid medias. Small solids such as dusts,powders,chips and grains. Also ideal as ventilation hose for air conditioning and ventilation system. Features: Extremely tearing-resistant with rigid reinforced pvc helix Very smooth interior Flexible with low weight Extremely transparent High tensile strength and tear resistant Could be resistant to chemicals if requested. Could be resistant to UV if requested. Various of sizes available Wall thickness could be from 0.4mm to 4mm Wall material variable: PVC and PU Working temperature range -20 ¬C to +70 ¬C Material: Wall: Top grade of PVC or PU Spiral: Rigid PVC.