3M 7501 Large Half Facepiece Reusable Respirator Mask

Advanced Silicone Material for Increased Comfort and Greater Durability Proprietary 3M CoolFlow Valve Helps Makes Breathing Easier Dual-Mode Head Harness Adjusts Easily for Either Standard or Drop-Down Mode Exhalation Valve Cover Directs Exhaled Breath and Moisture Downward to Reduce Fogging Color Coded to Indicate Size (Small, Medium or Large) for Easy Identification 3M personal protective equipment sold through Amazon's Industrial and Scientific Department is only intended for US occupational workplace use. This 3M personal protective equipment must be used in compliance with the Occupational Safety and Health Administration (OSHA) Personal Protective Equipment (PPE) standard (29 CFR 1910.132) and all other applicable health and safety standards, as well as all user instructions, warnings and limitations accompanying each product. It is essential that all product user instructions and government regulations on the use of each product be followed in order for the product to help pro