3M™ 051131-37083 7500 Probed Reusable Half Face Mask Respirator, L, 4-Point Suspension, Bayonet Connection, Resists: Multi-Contaminants 3M™ 051131-37083 7500 Probed Reusable Half Face Mask Respirator, L, 4-Point Suspension, Bayonet Connection, Resists: Multi-Contaminants