ST-73 Nozzle 1.8mm (Blue) includes O-ring

The nozzle size used in the ST-73 foamer must be selected to suit the specifications of the pressure cleaner being used.

Please note: As an easily visible indicator of the installed nozzle size, the nipple on the chemical pick up hose can be colour coded.

Please open the Product Data tab below for the nozzle sizing chart and an image of the coloured nipples in the foamer.