Protects against high concentration, dust, water based mist and fumes. the P301 can be used in concentrations of contaminants up to 20 times the WEL. Certified to EN149:2001 + A1:2009. Features: -Adjustable nose bridge -Latex free twin elastic headband -Collapse resistant with a double shell construction -Colour coded to indicate performance level -Easy flow valve -Sweat absorbing nose foam -Protection against Absestos