3M™ Reusable Half Mask Respirator 6500QL Series features the convenient quick latch drop-down mechanism which allows wearers to easily raise & lower the mask without removing their hard hat while moving in and out of contaminated areas. Designed for comfort, durability and stability with a firm, lightly textured silicone faceseal. 3M™ 6500QL Series is CE-approved with a wide variety of 3M bayonet-style filters.