The Breather requires a certain amount of pressure to engage the silicone diaphragm. So, if you hear it engage you have provided the pressure required to perform at that setting. If you are not feeling resistance at all, the diaphragm has not engaged ...
We are so sorry to hear this! Is it an exhale dial issue? Secret tip: running water from the faucet through the Breather (so, into the Breather mouthpiece so it comes out the diaphragm) can help ‘unstick’ the exhale diaphragm. Do this, and turn the ...