3M RAS-931-L full face mask for the RAS-ASB system

Details

• Developed for the needs of asbestos removal and demolition work
• Ideal for areas with high contaminant concentrations
• Highest level of respiratory protection, nominal protection factor 2000
• Improved decontamination: easy-to-clean harness strap and integrated particulate filter
• Full face mask with a separate filter for ingress and egress
• Approved and CE marked according to EN 14593-1:2005

3M™ Full Face Mask RAS-931-L (formerly RAS Vision Large) is a large, versatile full face mask designed to provide durable and comfortable protection when used as part of the RAS-ASB air supply system. 

RAS-931-L is a robust and comfortable full face mask that can be used with the RAS-ASB air supply system. The polycarbonate visor provides a good field of view, and the front-mounted speech diaphragm improves speech intelligibility. A sweat-drain opening at the chin increases comfort during prolonged use. The five-point rubber head harness ensures a secure and stable fit, while the side filter and clear inner mask help maintain good downward visibility.