An emitter for discharging liquid bonded to a main body of a tube, comprising: an elongated frame with a periphery, the periphery being higher than a base of the elongated frame such that the periphery encloses a cavity therewith and the base runs throughout an entire length of the elongated frame, the periphery enabling attachment of the elongated frame to an interior surface of the tube and wherein the base is arranged to deflect in response to a pressure differential between a pressure in the cavity and a pressure in a fluid flow passage of the tube; a plurality of intervals disposed in the periphery at a first end of the elongated frame, the plurality of intervals enabling fluid communication between the cavity and the fluid flow passage and arranged to receive fluid from the fluid flow passage; and a plurality of flexible projections made of a same material as the base and disposed approximately at a middle portion of the elongated frame and extending from the periphery on both sides of the elongated frame towards a center of the cavity, each of the plurality of projections having a first surface and a second surface mounted on the base of the elongated frame, the plurality of projections arranged to reduce the pressure of fluid flowing through the cavity and wherein the plurality of projections are arranged to deflect with the deflection of the base; wherein the first surface and the second surface of each projection are opposite to each other, and the cavity at a second end of the elongated frame is arranged to receive pressure compensated fluid from the middle portion and wherein the cavity is arranged to communicate fluidly through an aperture on the tube, the first end and the second end being linearly opposite end portions of the elongated frame; wherein the plurality of projections are disposed at an angle to the periphery on both sides of the elongated frame and projecting towards the second end, characterised in that the first surface of each of the projections slopes downwards from the periphery towards the center of the cavity and that the emitter further comprises a rail bonded to the tube and riding slightly above the plurality of flexible projections that are not bonded to the tube to provide a varying number of flexible projections to engage the body of the tube depending on the pressure thereby compensating for pressure, whereby pressure compensation is provided from the distal end of the emitter and progresses towards a proximal end as presure increases. an elongated frame with a periphery, the periphery being higher than a base of the elongated frame such that the periphery encloses a cavity therewith and the base runs throughout an entire length of the elongated frame, the periphery enabling attachment of the elongated frame to an interior surface of the tube and wherein the base is arranged to deflect in response to a pressure differential between a pressure in the cavity and a pressure in a fluid flow passage of the tube; a plurality of intervals disposed in the periphery at a first end of the elongated frame, the plurality of intervals enabling fluid communication between the cavity and the fluid flow passage and arranged to receive fluid from the fluid flow passage; and a plurality of flexible projections made of a same material as the base and disposed approximately at a middle portion of the elongated frame and extending from the periphery on both sides of the elongated frame towards a center of the cavity, each of the plurality of projections having a first surface and a second surface mounted on the base of the elongated frame, the plurality of projections arranged to reduce the pressure of fluid flowing through the cavity and wherein the plurality of projections are arranged to deflect with the deflection of the base; wherein the first surface and the second surface of each projection are opposite to each other, and the cavity at a second end of the elongated frame is arranged to receive pressure compensated fluid from the middle portion and wherein the cavity is arranged to communicate fluidly through an aperture on the tube, the first end and the second end being linearly opposite end portions of the elongated frame; wherein the plurality of projections are disposed at an angle to the periphery on both sides of the elongated frame and projecting towards the second end, characterised in that the first surface of each of the projections slopes downwards from the periphery towards the center of the cavity and that the emitter further comprises a rail bonded to the tube and riding slightly above the plurality of flexible projections that are not bonded to the tube to provide a varying number of flexible projections to engage the body of the tube depending on the pressure thereby compensating for pressure, whereby pressure compensation is provided from the distal end of the emitter and progresses towards a proximal end as presure increases.