Add on: Metal Eye Mesh GRILL viewfinder.
 
Comes in 2 sizes. It secures to the mask with screw-bolts and is therefore removable. It can go over the lens or instead of an acrylic pane, adding unlimited amounts of fresh air to the mask, making it perfect for steamy clubbing. 
 
Buy only with our gas masks - fits all the ones with round triangular ones including the depicted
-S10.2
-israeli Alien
Police BHG and others
 
Buy 2 if you want both lenses replaced
 
Choose variants below