Vent-Axia. The VTVG distribution manifolds distribute the air to and from the rooms, and are suitable for both supply and extraction. The manifold is connected to the unit or main duct with rigid or flexible air ducts. Furthermore, 18 side Uniflexplus+ D69 mm connections are available for distribution of air to or from the end manifolds. Suitable for installation in poured concrete, screed or on the ceiling. Limited installation height of 80 mm. Intrinsically safe. Fixing points on top and bottom. Integrated click parts with built-in rubber seals for perfect airtightness. 18 side connections D69 mm (recommended 25 m³/h per hose) for connection with end manifolds. Including 9 sealing caps D69 mm and 1 cap D160 or 180 mm.