an improved fluidic oscillator , that operates on a pressurized liquid flowing through the oscillator to generate a liquid jet that flows into the surrounding environment to form of an oscillating spray of liquid droplets , includes : a member into which is fabricated a two - portion , flow channel , with this first portion configured so as to create the flow phenomena in the member that yields the spray &# 39 ; s oscillating nature , and wherein its second portion is configured so as to provide a plurality of throats by which the pressurized liquid exhausts into the surrounding environment .