FITS ALL PRE 2017 KARCHER HD & HDS. · FITS IN THE M22 HOSE TO MACHINE COUPLING ONLY ON KARCHER "K"SERIES MACHINES. · FITS INSIDE THE M22 FEMALE HOSE COUPLING ON ALL PRE 2017 HD & HDS MODELS. · FITS IN THE M22 FEMALE COUPLING OF OLDER STYLE NON -SWIVELLING HD & HDS LANCES.
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