Abstract: A diffuser set for drinks dispensers having delivery groups provided with "post-mix" valves connected to at least two lines for collectively supplying respective drink components, comprising a valve having an output section connected to the "post-mix" valve and at least two input sections provided to receive corresponding drink components to be sent selectively to the output section; and two tubular elements, branched off at least three ways and having respectively first branches connected with corresponding supply lines and second branches taken off the first branch and connected to an input section of the valve in such a way as to send thereto the flow of drink components received from the respective supply lines.