DEHNcon-H support tube GRP/Al for HVI light conductor with air-termination rod, for setting up separate (insulated) air-termination systems. System for maintaining the separation distance from electrically conductive parts in accordance with DIN EN 62305-3 (VDE 0185-305-3). Tube D30 mm made of glass-fiber reinforced plastic (GRP), UV-stabilized, light gray, material factor km=0.7. One-piece design, combined with air-termination rod (D22/16/10 mm, length 2500 mm) made of Al.