Apparatus comprising a drip emitter [100] for attachment to an internal surface of a wall of an irrigation hose [60], said drip emitter [100] comprising an elastomer component [10], wherein said emitter [100] drip is configured such that, when fixed to the inner surface of the irrigation hose [60], said drip emitter [100] defines: (i) a water inlet [14] to receive water from the irrigation hose [60]； (ii) a drip outlet [16] for releasing water through an opening [62] in the wall of the irrigation hose [60]； and (iii) a fluid flow path [18a, 18b] from said water inlet [14] to said drip outlet [16], said fluid flow path [18a, 18b] including a labyrinth flow restriction , comprising at least a part of said maze flow restriction: (A) a sequence of baffles [102], (B) a base [104] underlying said baffle sequence [102], and (C) a plurality of bypass spaces [106], below the teeth, located between said base [104] and said deflector sequence [102], in which said base [104] is subjected to a fluid pressure inside the hose [60] ] of irrigation so that a higher pressure of the fluid inside the irrigation hose [60] causes the progressive closure of said plurality of bypass spaces [106] below the teeth, thus regulating a flow rate through said emitter [ 100] of drip, and characterized in that said at least a part of said maze flow restriction it is formed with said elastomer component [10], said base [104] and said sequence of baffles [102] being integrally formed by a single piece of said elastomer.Aparato que comprende un emisor [100] de goteo para su sujeción a una superficie interna de una pared de una manguera [60] de riego, comprendiendo dicho emisor [100] de goteo un componente [10] de elastómero, en el que dicho emisor [100] de goteo está configurado de manera que, cuando está fijado a la superficie interna de la manguera [60] de riego, dicho emisor [100] de goteo define: (i) una entrada [14] de agua para recibir agua de la manguera [60] de riego； (ii) una salida [16] de g
