3M™ Reusable Half Face Mask 6501QL is designed with tough and dirty work environments in mind. Stay productive and protected – the 6500 Series delivers comfort, durability and stability with a firm, lightly textured silicone faceseal and strong body construction. With Quick Latch drop down mechanism for easy on and off as wearers move in and out of contaminated areas. No need to remove your safety helmet or faceshield when lowering or raising your respirator. Reusable respirator with quick latch drop down mechanism for easy on and off as wearers move in and out of contaminated areas No need to remove your safety helmet or faceshield when lowering or raising your respirator Resilient silicone faceseal helps provide comfort, durability, and stability with a soft but firm seal Exhalation valve cover helps direct exhaled breath and moisture downward to reduce fogging of eyewear and grinding and welding shields Low profile half facepiece design offers a wider field of view and better compatibility with welding and grinding shields