The invention relates to a method for removing a jet regulator (1) from a fitting outlet (2), a jet regulator (1) and a set of a jet regulator (1) and a tool (6), the jet regulator (1) having a housing (3 ) and has a detent element (4) movably mounted on the housing (3), the detent element (4) by means of a force transmission from a spring element (5) arranged inside a recess of the housing (3) and accessible from outside the valve outlet (2) on the locking element (4) is adjustable, wherein the locking element (4) in its rest position protrudes over the housing (3) in order to hold the jet regulator (1) in the valve outlet (2), a tool (6) for removal in an insertion direction (7) is inserted into the fitting outlet (2), the spring element (5) being acted upon by the tool (6) during insertion until the locking element (4) releases the jet regulator (1).
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