3M 8812 Valved Dust Respirator (box 10) 8812 FFP1 Description : Comfort Respirator - Respiratory protection against fine Dusts. 3M Cool Flow valve reduces heat build up to offer comfortable protection, particularly in hot and humid conditions. Reliable, effective protection against fine particulates. 3M 8812 conform to standard: EN149:2001 FFP1. Approval: CE Marked. Maximum use level: Assigned Protection Factor: 4 x OEL (Nominal Protection Factor 4 x OEL).