FFP3 SHELL-SHAPED FILTERING FACIAL WITH VALVE PPE 3rd category that complies with UNI EN 149: 2001 + A1: 2009 The FFP3 disposable mask is suitable for working in environments where the air is contaminated with medium toxicity dust and aerosols . For the operator's safety, it is good to know and follow the limits of use. For this model it is indicated that the limit is for contaminant concentrations up to 12 X TLV. It is a respiratory protection device to be used at work , mainly in the pharmaceutical industry, in the production of ceramics, in the painting rooms where powder coating is practiced.
