1. Fluid conduit formed by two layers of polymeric material and an internal reinforcement embedded in one of the layers characterized in that it comprises an outer layer (1) containing insecticide embedded material that constitutes and an inner layer (2) having a thickness significantly less than the outer layer (1). 2. Conduit for fluids according to claim 1, wherein the outer layer (1) is made of flexible PVC. 3. Conduit for fluids according to claim 1, wherein the outer layer (1) has a thickness between 2.5 and 3.5 mm. 4. Conduit for fluids according to claim 1, wherein the insecticide is derived from naphthenic acid. 5. Conduit for fluids according to claim 4, wherein the insecticide is a calcium naphthenate. 6. Conduit for fluids according to any of claims 4 or 5, characterized in that the insecticide is in a proportion of between 0.5% and 3%. 7. Conduit for fluids according to claim 6, wherein the insecticide is in an amount of 1%. 8. Conduit for fluids according to any of the preceding claims, wherein the inner layer (2) is made of a polymeric PVC. 9. Conduit for fluids according to claim 8, wherein the polymer is PVC to select from a chlorine resistant PVC and flexible PVC.
