To provide a water cleaning shower system light in the weight of a shower head, high in performance, excellent in convenience and capable of being installed in a small space, improving water processing performance, prolonging a service life, increasing a purified water flow rate without impairing the space availability of an installation place, and to provide a column for housing used therefor.

This system is provided with a long-length pipe body 16 where a source water inlet part and a cleaned water outlet part are formed and a water cleaning cartridge is housed inside, a fixing means 14 for fixing it and an adapter 48 for attaching accessories to the pipe body. Then, the water cleaning cartridge for cleaning water coming out from a shower is housed in this column for housing. Thus, since the water cleaning cartridge is not required to be housed inside a shower head, the weight of the shower head does not become heavy and it is easily handled even by a woman and a child.