Swiss style lager yeast. With proper care, this yeast can be used to produce lager beer over 11% ABV. Sulfur and diacetyl production is minimal. Original culture provided to White Labs by Marc Sedam.  
 Type:  Lager YeastMinimum Attenuation: 70% Maximum Attenuation: 80%
 Flocculation: MediumMinimum Fermentation Temperature: 50F (10C)
 Maximum Fermentation Temperature: 55F (13C) Alcohol Tolerance:  Very High