Set of 3 filtering shell respiratory masks with valve against irritating particles

General characteristics of the 4277 mask:
• Rugged, crush-resistant shell easily conforms to most face shapes and sizes
• 3M Cool Flow valve reduces heat build-up providing increased freshness and more comfortable wear
• The adjustable nose clip helps form a seal on the nose and cheeks
• Protection class FFP2 (class 2 filtering facepiece) provides protection against medium-level fine dust and aqueous and oily mists, typically present during sanding, grinding, drilling and cutting paints, varnishes , cement, wood and steel
• This product helps protect you against certain particles when concentrations do not exceed 10x the occupational exposure limits (OEL)
• Do not use on hardwoods or lead-based paints
• Compatible with 3M helmets and safety glasses