Linkfloor SPP series deliver fresh hot or cold air exactly where it is required.panel size;600mm*600mm*35mm HPL/PVC type perforated panel is used for the places where air flow is necessary under the floor, and the the area dustproof, antistatic.such as electrical workshops,cleaning rooms, and some special computer rooms.HPL/PVC Type perforated panel system is composed of panels, pedestals, ...