The Cascade Nozzle is the single most popular effect used in commercial and architectural fountains through modern times.

They can be used in a wide variety of ways to achieve spectacular effects.
Whatever your plan or inspiration calls for, the Cascade can probably fill the bill.
Cascade nozzles are used widely in architectural fountains, due to their high visibility and good wind resistance, exhibiting a very “hard” visual and audible impact suitable for large pools and outdoor applications where noise masking water effects are desired.
The Cascade is water level dependent, and requires a controlled water level.

Cascade is a small to large adjustable injector nozzle generates a lively full water pattern and offers oxygen enrichment. With injector effect, water and air are suctioned in, mixed intensively and accelerated into the air by the injector jet as an impressive soft flowing fountain.
The foam (spume) effect changes depending on the water level and accentuates every public area.