3M™ Rugged Comfort Half Facepiece Reusable Respirator, 6503, large, 10/case

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"Resilient silicone faceseal helps provide comfort, durability, and stability with a soft but firm seal Bayonet connection is compatible with all bayonet-style 3M™ Cartridges and Filters 3M™ Cool Flow™ Exhalation Valve helps release warm, moist exhaled breath from inside the respirator Overmolded design simplifies cleaning and maintenance with fewer parts and crevices for dirt and debris buildup Keeps its shape in high-heat environments Always use 3M™ Half Mask Respirators with the correct respiratory cartridges Low profile half facepiece design offers a wider field of view and better compatibility with welding and grinding shields For workplace/occupational use only"