Removable central disc diffuser to make easy installation and maintenance. The DSO series diffusers are designed to be applied in air conditioning ventilation and heating systems. This sort of diffuser can be used in premises from 2,6 up to 4 m high and with a temperature differential up to 12º C, obtaining good results, not only in air speed but also in sound pressure level in the comfort zone. They can be mounted in false ceilings, suspended from ductwork or from the ceiling. Its removable central disc makes easy its installation and maintenance. The DSO modular diffusers meet the functional requirements of modern updated locations. Its minimalist design fits perfectly in any kind of architecture.