These airsoft gas masks with anti-fog fan have now reached the US as Airsoft Atlanta have them in stock for US$44.99 each... "OMFG a Nuclear Crisis?!?! The new airsoft Russian Anti-Fog Safety Gas Mask w/Fan system, is a great full face mask with clear lenses. This roomy mask also allows you to wear prescription eyeglasses underneath if needed. The removable 'air filter' is actually a fan system that runs on 2-AA batteries (not included).