3M 8710E Cup-Shaped Respirator - FFP1 Provides respiratory protection against low levels of fine dusts and mists. Additional Information, Reliable, effective protection against fine particulates, Durable collapse resistant inner shell, Excellent fit over a wide range of face sizes provided by convexshape, nose clip and twin-strap design, Improved weld pattern for stronger attachment of headstrap, Comfortable, lightweight off-the-face design, Yellow colour coded straps denoting FFP1 protection level. Standard: EN149:2001 FFP1 Approval: CE Marked Maximum use level: Assigned Protection Factor: 4 xWEL (Nominal Protection Factor 4 xWEL).