An intermittent catheter, preferably a female intermittent catheter, is provided in an assembly. The assembly comprising a wetting agent storage chamber with at least one projection configured to guide the catheter within the wetting agent storage chamber. The at least one projection retains a seal element in the wetting agent storage chamber during withdrawal of the catheter. The wetting agent storage chamber comprises at least one radially extending end wall and the at least one projection extends axially within the wetting agent storage chamber, the at least one projection terminating short of the end wall to define a void wherein the seal element is seated in the void.