TM-1 Gas Mask is manufactured from heavy duty rubber and filters are housed in stainless steel tubes. It offers protection against most common harmful gaseous and particle agents. Copy / Mod permissions ensure that you can modify the mask to fit on your avatars face.
Avatar Rendering Cost is only 43 and price 50L$.
Available in:
SLex: http://www.slexchange.com/modules.php?name=Marketplace&file=item&ItemID=723285
OnRez: http://shop.onrez.com/item/645983
In-World: http://slurl.com/secondlife/Blorkus/246/184/111