Dispensing shower head

A dispensing shower head comprising an enclosure for attachment to a water supply, said enclosure having an influent opening and an effluent opening, a flow path being provided between said influent and said effluent opening in said enclosure, a shower spray on said effluent opening, a container positioned in said flow path and secured to said enclosure, said container having side walls and an end wall positioned opposite said influent opening, said container also having an opening accessible through said enclosure, a plurality of port means in said container, said port means opening into said flow path, a cartridge removably insertable in said container through said container opening, a plurality of chambers in said cartridge each chamber registerable with one of said port means, said plurality of port means and said plurality of chambers being arranged so that when one of said port means is in registration with one of said chambers, the other of said port means is not in registration with the other of said chambers and said container side walls seal off the other of said chambers from said flow path, said container is cylindrically shaped and said container is positioned in said enclosure so that the longitudinal axis of said container passing through said container end wall and said container opening is substantially parallel to said flow path, said port means are positioned in the side wall of said container, said cartridge is cylindrically shaped and rotatably mounted in said container so that the longitudinal axis of said cartridge and the longitudinal axis of said container are substantially in registration with one another, said chamber is rotatable to register with said port means.