・Please note that do not use the small head of massage head tools to removing the massage head.
・Big head is for removing the massage head and the small head is for removing the 4DX filter cap.
・4DX filter cap is for personal hygiene product, please don’t cross-use each other.
・If the filter cap inside have more dirt, please throw away and change the new one.
・After cleaning and dry completely for the 4DX filter cap, and it can be used again.
・Keep this product away from children and reduce the risk of accidental injuries.