Designed for tough and dirty work environments, the 3M 6500 half-face respirator mask helps you to stay productive and protected. No need to remove your safety helmet or face shield whilst moving in and out of contaminated areas, with its Quick Latch drop-down mechanism, this half mask is easily lowered or raised. Comfortable and durable, the resilient silicone face seal is soft but firm while the 3M Cool Flow exhalation valve cover helps to direct exhaled breath and moisture downward for Comfortable reduction of fogging.