The 3M™ Cool Flow™ Exhalation Valve 7583 is designed for use with 3M™ Half Facepiece Reusable Respirator 7000 Series, and Full Facepiece Reusable Respirator 6000 Series, 7000 Series and FF-400 Series (all sold separately)
 
The 3M™ Cool Flow™ Exhalation Valve 7583 is to be used with compatible 3M™ Reusable Facepiece Products only. Replacement part can extend respiratory equipment service life.