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A system component to use with 3M Ultimate FX Full Facepiece Reusable Respirators FF-401, FF-402, and FF-403 (sold separately)
Assembly includes a mounting seat and 3M™ Cool Flow™ valve
Maintains original performance standards of facepiece
Exhalation valve assembly includes mounting seat and 3M™ Cool Flow™ Valve for use with 3M™ Ultimate FX Full Facepiece Reusable Respirators FF-401, 402 and 403.