Laundry washing machine comprising a filter assembly

A laundry washing machine (100) comprises an outer casing (101), a treatment chamber (1) for receiving a load to be washed, a pump unit (4) for discharging water from the treatment chamber, a filter assembly (2) coupled to the pump unit and comprising a filter element (21) removably housed in a filter body (20), wherein the washing machine comprises a connection interface (30) into which an opening (103) is defined and through which the filter element (21) can be inserted into/removed from the filter body (20). The washing machine further comprises a connecting device (3) for connecting the filter body (20) to the connection interface (30), comprising a guide member (31) and a respective engagement portion (32) that match with the guide member (31) such that the filter body (20) and the connection interface (30) are coupled together, and an automatic fastening locking element (33) preventing movement of the engagement portion (32) with respect to the guide member (31) when the engagement portion is at least partially received in the guide member.