Have a look at www.gehroTex.de!

Black gasmask mady by Dräger, type Panorama Nova
The large panoramic view has a yellow frame!
Universal size
suitable with rubber straps
mask has a round threat connection for the filter
Sale without guarantee of density and protective effect!!
Bevor using the gasmask that needs a protective effect the gasmask has to be proofed by a specialist!