- Suitable For Use With: FF-401, 402 and 403 Ultimate FX Full Facepiece Reusable Respirators
- Color: Black
3M Exhalation Valve Cover, For Use With: FF-401, 402 and 403 Ultimate FX Full Facepiece Reusable Respirators, Black
3M Exhalation Valve Cover, For Use With: FF-401, 402 and 403 Ultimate FX Full Facepiece Reusable Respirators, Black