Raccordo a T per tubo riduttore ottone 4 mm -19 mm connettore estremità coda tubo barb
T Piece Brass Reducing Hose Barb Fitting 4mm -19mm Barb Hose Tail End Connector. T Piece Brass Reducing Hose Barb Fitting. There may be deviations, but this has no effect on use.