[Features] ●You can breathe comfortably and reduce odors and bad odors. ● A comfortable fit is maintained by adopting a full inner flange. ●It is metal-free and the tightening string can be adjusted.
[Use] ●For measures against infectious diseases, stockpiling, and light indoor and outdoor work. For general work indoors and outdoors in foul-smelling environments, disaster relief, and organic gas countermeasures