3M 9004GV Particulate Respirator Mask has been specially composed of three layers of filters with the outermost layer filtering out the largest dust particles and the middle layer that is composed of electrostatic filter media and the innermost layer preserving the respirator in S shape. The 3M mask is used as a disposable face mask for respiratory protection against fine dust particles. It is known as the bestselling safety mask in 3M safety products line. | Uses It protects from harmful dust, pollution, bacteria and viruses to enter the body. | Salient Features: The grey color of the mask does not allow the mask to get dirty easily outdoors The cool flow valve makes it more comfortable while using it for long hours in both warm or hot conditions The three layers of the filter helps in purifying the polluted air upto 95 percent The mask has a cup shape design that comes with the aluminum nose clip and neoprene elastic band that provides a comfortable fit on every face It is capable of filtering 0.3 micron dust particles | Directions For Use Position the mask firmly in place and for more information read the user manual. | Safety Information: Read the instructions carefully before use Store the mask in a neat and hygiene area Make sure to wash it only with water