The Medium 3M-6200 Half-Face Respirator offers a comfortable, lightweight design that can be used with replaceable filters as well as air supply lines. This mask can be disassembled and reassembled, allowing for easy cleaning to keep your PPE hygienic and free of contaminants. When you wear this mask, the adjustable straps hold it in place to protect you from gases, vapors, particles, chemicals and other contaminants that could harm your lungs. This mask is suitable for a wide range of uses, including spraying insulation.