This is the new style gray version of the discontinued 03-0705-48 jet which now also goes by the same part number.  5 inch diameter jet insert 03-0705-48 for Gold Series and Platinum Class Artesian spas.

This is the current factory replacement jet insert with directional nozzle.

This jet is gray in color and directional with 5 inch diameter.

Factory using 03-1414-52 to replace discontinued jet 03-0705-48