TW has passed the national certification of replaceable dust mask and direct connection small poisonous mask on one side. This allows you to install either a filter or an absorbent can depending on your working environment.
Wide CX face with lower field of view The distance between the eyepiece and the face is short and has a wide downward view.
Drain valve releases moisture such as sweat accumulated in the mask
Comes with a voice transmitter so you can see the conversation even with the mask on.
Purchase the face and filter or absorbent can.
The photo includes a T/OV absorbent can.