3M™ 051131-49492 Probed Reusable Half Facepiece Respirator, L, 4-Point Quick Latch Suspension, Bayonet Connection, Resists: Gases and Vapors 3M™ 051131-49492 Probed Reusable Half Facepiece Respirator, L, 4-Point Quick Latch Suspension, Bayonet Connection, Resists: Gases and Vapors