Venturi

Venturi for airating ponds
Fits a standard garden hose and has an air intake that will fit an air hose with id( inner diameter of .5 inch)

use thread seal make sure of no leaks ( in testing no tread seal was used and no leaks were found)

Print with no supports ( support for the air intake is pre made into the design)

Remove the circle support by the threads

https://youtu.be/2PYW1a3smvE