3M 8812 Cup-Shaped Respirator (Valved) - FFP1 Provides respiratory protection against low levels of fine dusts and mists. Additional Information, 3M Cool Flow valve reduces heat build up to offer comfortable protection, particularly in hot and humid conditions. Reliable, effective protection against fine particulates. Durable collapse resistant inner shell. Excellent fit over a wide range of face sizes provided by convex shape, nose clip and twin-strap design. Comfortable, light weight 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 x WEL (Nominal Protection Factor 4 x WEL)