Exhalation Valve Cover

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Replacement part to use with 3M Ultimate FX Full Facepiece Reusable Respirators FF-401, FF-402, and FF-403 (sold separately) Designed for use with the 3M Ultimate FX Full Facepiece Reusable Respirators (sold separately) Maintains original performance standards of facepiece Cover protects exhalation valve Parts Inhalation/exhalation Valve Series 3M™ Ultimate FX FF-400 Series Show more