DEHNiso Combi set for isolated air-termination systems for protecting larger roof-mounted structures, e.g. air-conditioning systems, heat exchangers, etc. For keeping the separation distance from conductive parts according to EN 62305-3. Tubes D50 mm and spacer bar D16 mm made of glass-fibre reinforced plastic (GRP), UV-stabilised, light grey colour, material factor km = 0.7. One-piece, total height 4200 mm, complete with air-termination tip, supporting tube, wall mounting bracket and spacer.