Patent ID: 7504033

Claim:
A water quality purification cartridge comprising: a water quality purification material of cylindrical shape, an outer diameter thereof being smaller than an inner diameter of a holding part for the cartridge, an end portion at a downstream side of the water quality purification material provided with a portion fitting into a cartridge accepting portion of the holding part, the water quality purification material having a central hole which opens at said end portion; said central hole is provided concentrically with a central axis of the water quality purification material, and an end portion at an upstream side of the water quality purification material is closed; a filtering material provided on an outer periphery of the water quality purification material; and a germicidal ceramic arranged along an end surface of the downstream side of the water quality purification material; a first cap having a water quality purification material downstream side supporting wall having a hole serving as a fluid flow path drilled in a cylindrical central part thereof; and said germicidal ceramic is stored in an internal space of a cylinder provided by a second cap, which connects two cylinders having a different diameter from the first cap.