Description
Anti-pollution mask.
The 3M 9004GV is composed of three layers of filters.
The outermost layer filters out the largest dust particles.
The innermost layer preserves the respirator S shape and the middle layer is composed of electrostatic filter media.
These 3 layers helps in purifying the polluted air by up to 95 percent.
The cool flow valve makes it more comfortable while using it for long hours and warm or hot conditions.