Large surface area ensures very low breathing resistance. New large exhalation valve which reduces heat build-up and improves wearer comfort. Colour coded alphamesh shell for ease of identification Adjustable headstrap allows for a secure and comfortable fit. Metal-free - suitable for food industry applications. Preformed nosebridge eliminates the need for regular adjustment. Compatible with a wide range of safety eyewear. Approved to R D allowing the mask to be worn for more than one shift. Pack of 10. Conforms to EN 149: 2001 + A1: 2009 FFP3 R D