3M Rugged Comfort Quick Latch Half Facepiece Reusable Respirator 6503QL, large premium respirator for demanding work conditions.

Model 6503QL; size large; silicone face seal; bayonet connection; Quick Latch drop-down; Cool Flow valve; compatible with 2000/5000/6000/7000 series cartridges and filters; 10 ea/case