Ionic Systems Supply Nozzle is a screw threaded fitting with a push fit connection. It gets attached to the Gooseneck on the Commercial Brush with the Rinse Bracket.
It uses a 2mm male jet to make a connection from the water fed pole hose to the non-scratch brush screws (which act as a pencil jet, but also keep the brush head attached to the gooseneck assembly)
The quick release mechanism on the Supply Nozzle allows you to disconnect the pole hose – making it a little easier to swap brush heads.