3M™ 051131-49490 6500 Probed Reusable Respirator, M, 4-Point Quick Latch Suspension, Bayonet Connection, Resists: Gases and Vapors 3M™ 051131-49490 6500 Probed Reusable Respirator, M, 4-Point Quick Latch Suspension, Bayonet Connection, Resists: Gases and Vapors