The GARDENA Maxi-Flo™ Tap Nut Adaptor is ideal in connection with longer hoses or for use with pumps. It creates the connection between the hose connected by a hose connector and the tap. The Maxi-Flo™ Tap Nut Adaptor is simply screwed onto the tap. It fits a tap with 3/4″ thread – suits 19 mm (3/4″) hose connectors.