Here's what other sites are saying:
Black Diamond Avalanche Safety Avalung II-M/L BD1500110000M_L1. Ultra-lightweight only 265 g (9.3 oz) S/M S/M fits 44 kg-73 kg (100-160 lb) M/L fits 68 kg-102 kg (150-225 lb)
This nine-ounce shoulder sling may be the most important piece of life-saving equipment you can wear when traveling in avalanche terrain.
- Black Diamond Equipment
AvaLung II(TM) is a remarkable filtration device that draws air directly from the snowpack, allowing you to breathe if trapped in an avalanche.
Black Diamond Avalung II - The Black Diamond Avalung II is a modern version of the classic AvaLung shoulder sling is designed to be used for backcountry safety on its own or with non-AvaLung ski packs.
Current Retail: $129.95
Historic Range: $0.01-$139.95