A drip emitter (1) has a hollow body provided with first and second pools (10, 50) and with an inlet recess (30) between the first and second pools (10, 50). The inlet recess (30) has inlet hole(s) (35). The emitter (1) is provided with an elastic band (60) surrounding at least one of the inlet holes (35). The elastic band (60), in its closed position, is in a tight contact with the inlet hole(s) (35). In its open position, it is expanded to open the inlet hole(s) (35).
