Black Diamond Avalung II

The Black Diamond AvaLung II may be the most important piece of life saving equipment you can wear when traveling in avalanche terrain.While a beacon can be a great body locator device, the AvaLung II allows you to breathe fresh air directly from the snowpack, buying you precious time during a rescue.Rebreathing exhaled air when youre buried causes suffocation because the air becomes oversaturated with carbon dioxide and depleted of oxygen.The AvaLung II diverts the exhausted air away from your fresh air intake zone, considerably extending the time your partners have to conduct a successful recovery.This nine ounce shoulder sling is proven to extend lives its trusted by guides, avalanche co