This relates to devise training appoint played through, the couple can protect the signed portion of the water softener Play hired to provide training provided through a ring for the purpose. ; In the training barrel mounted on a water softener regeneration appointed according to the designed, injection openings are formed which playback material injection unit and water softener is provided between the insertion part and the injection part and the coupling to be inserted insertion portion configured to be stored is stored as part of the recycling materials hollow case, the insertion portion is coupled to the coupling portion is inserted into the outer opening injection unit is operated integrally with the insertion portion comprises a cap which covers the part, the end of the insertion portion is characterized in that it is possible to secure the projection formed on the inner end portion coupled to the coupling groove is formed in. ; In accordance with the subject innovation, couple to having a ring and can protect the fastening area of the water softener, if the coupling portion is damaged because it can be used to replace only the coupling portion has a favorable effect in terms of cost, to use only the reproduction barrel coupling portion changing, depending on the type of water softener The cost can be so.
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