The 3M™ Exhalation Valve Assembly FF-400-07 includes a mounting seat and 3M™ Cool Flow™ Valve for use with 3M™ Ultimate FX Full Facepiece Reusable Respirator FF-401, FF-402, FF-403.
3M™ Exhalation Valve Assembly FF-400-07 is to be used with compatible products. Replacement part can extend respiratory equipment service life.