The invention provides a citrus juicer (100) comprising: an enclosure (20) defining a cavity (24) for produce for pressing (10) containing a fluid, and an opening for introducing the produce for pressing into the cavity; a cannula (50) for engaging in the produce for pressing, a second portion (54) arranged outside the cavity, and a through opening (58) extending between the first and second portions; an inflatable extensible membrane (80) for compressing the produce for pressing engaged on the first end of the cannula in order to extract the fluid out from the cavity; and an ejector device for discharging the pressed produce.