An emitter (120) is arranged inside a tube and is constituted by a resin molded body that has at least a recessed part and a through hole. The emitter (120) has: a screen part that is for collecting in a water intake part thereof matter that is floating in the water in the tube a water intake volume adjusting part that is for preventing the inflow of low pressure liquid a pressure reducing part that reduces the pressure of intaken water a discharge volume adjusting part that adjusts the flow volume of the reduced pressure water in accordance with the water pressure inside the tube and a discharge part to which water is supplied at the adjusted flow volume. The screen part is constituted by a slit (301) and a recessed part that intersects the slit (301) when seen in plan view. The discharge part includes an infiltration preventing part that is for preventing the infiltration of foreign matter from the discharge opening of the tube.
