A suction head (1) for a waste sorting system includes a main tubular body (2) having a connecting end (3) for connection to a suction system (S) and a suction end (4) for engagement with a waste item. An upper sleeve member (5) and a lower sleeve member (6) are arranged around the suction end (4), wherein the upper sleeve member (5) is longitudinally movable with respect to the main tubular body (2) and the lower sleeve member 6 is removable from the suction end (4). An annular gripper sheet (7) of flexible material is arranged between the upper and lower sleeve member (5, 6). A biasing member (8) is in longitudinal biasing engagement with the upper sleeve member (5) for biasing the upper sleeve member (5) toward the lower sleeve member (6), clamping the annular gripper sheet (7) between the upper and lower sleeve member (5, 6).