Half mask 6502QL, size M, without filter, 1 unit(s)Half mask 6502QL, size M, without filter, EN 140 Acc. to EN 140. Lightweight, robust and comfortable. Strong, stable mask body with a robust but soft face seal. Face seal made of elastic silicone offers an optimum and comfortable fit Robust and adjustable headband ensures an optimum fit and high wear comfort 3M Cool Flow exhalation valve reduces breathing resistance, making it easy to breathe The flat and compact design allows a wide field of vision