3M™ 49491 Rugged Comfort Half-Mask Respirator, Large

3M™ 49491 6503 Rugged Comfort Half-Mask Respirator, Large, NIOSH Approved. This face piece is compatible with all 3M™ bayonet-style filters and cartridges, including 6000 Series cartridges and 3M™ 2000, 2200, 7000 or 5000 Series filters Resilient silicone face seal helps provide comfort, durability, and stability with a soft but firm seal Proprietary cool flow valve helps reduce heat and moisture 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 wide field of view and compatibility with welding and grinding shields Adjustable head harness assembly offers improved fit and comfort Silicone face seal keeps its shape even in hot work conditions