Abstract: A showerhead has a top adapted to be attached to a pipe and includes a face having multiple through hole. A flexible stud is mounted in each of the through holes in the face of the showerhead. Each of the studs has a diameter greater than that of the through hole in the showerhead. The stud is flexible and has an exterior annular groove defined to be mounted in the periphery of a through hole to hold the stud on the face of the showerhead. A longitudinal passage is defined through the stud and to allow water to discharge from the showerhead. The user can break up and flush out the impurities formed on the inner periphery of the passage by flipping the stud to keep the passage open because the stud is flexible.

Abstract: A hot/cold water flowrate control device, including a casing having a cold water inlet and a hot water inlet respectively connected a hot/cold water supply system and defining a ball socket, a hollow ball cap fixed to the casing, a ball valve mounted in the ball socket and having a neck extending out of the ball cap and a stepped locating groove on the outside, the stepped locating groove having a deep sliding groove section in the middle, two deep locating groove sections at two opposite sides, and two shadow borderline groove sections disposed between the deep sliding groove section and the deep locating groove sections, a water outlet pipe connected to the neck outside the ball cap, a spring-supported locating rod mounted in the ball socket and moved in a stepped locating groove in the periphery of the ball valve, wherein water is stopped from passing to the water outlet pipe when the locating rod is forced into engagement with one of the locating groove sections of the stepped locating groove; the cold (h