1 Replacement stainless steel dosing nozzles & O-ring for Suttner Injectors. The dosing nozzle inserts are used to control the chemical draw.
Suttner ST-160 Single Injector Replacement: Order one or more
Suttner ST-164 Dual Injector Replacement: Order at least 2 matching sizes
The chart below shows dosing nozzle size (opening) and the percentage of draw when the chemical used has the same viscosity as water.