Mounted -> shower hose mounted - aborted> thread -> exchange! 2.Montiert-> shower hose CAREFULLY screwed -> leak! -> 2nd hose -> Undicht- tightened> Hose -> thread again aborted. When side no problems and the tap of the series is OK but the shower output is only from plastic> In my opinion, absolutely useless -> If you make the metal part to a few cents was all OK!