This jet gives a bell-shaped effect approx 20 cm( 8 ") high and 20cm(8") diameter. It is 0.5" push fit. Push the jet directly onto the flowadjuster of your pump. Position the pump in the pool so that all of the jet is above the water level.the shape of the bell can be adjusted by slightly raising or lowering the top of the jet and by controlling the rate of the water flow with the adjuster on the pump.
