| 摘要 |
PROBLEM TO BE SOLVED: To provide a water purifier configured so that a cartridge for purifying fluid to be treated can be simply replaced.SOLUTION: A water purifier is provided with: a cartridge 2 for purifying fluid to be treated; and a casing 5 into which the cartridge is inserted. The casing has one end opened and the other end closed by a closing wall 51, and is formed in a cylindrical shape in which a direction from one end side to the other end side becomes a longitudinal direction. The closing wall is provided with a supply pipe connection part 3 guiding the fluid to be treated supplied from the outside to the cartridge and a discharge pipe connection part 4 guiding the fluid purified and treated by the cartridge to the outside. The cartridge is provided with: an introduction part 22 engaged with the supply pipe connection part and capable of guiding the fluid to be treated into the cartridge; and a delivery part 23 engaged with the discharge pipe connection part and delivering the fluid treated in the cartridge. In a sidewall of the casing, a communication part communicating the inside and the outside of the sidewall is formed. |
