Respirator Features Ranked From Most to Least Important

A list of features on respirators and gas masks ranked from most to least important. Many people in the comments seem to have a misconception about what the most critical features of a respirator are, sometimes prioritizing gimmicky features over the device's actual ability to provide respiratory protection.

In this list, I organize the functions a respirator may offer from the most important (keeping you alive!) to the least important.