Stainless Steel construction - won't pit or tarnish, will not taint the flavor of the beer, and is also suitable for wine;Patented forward sealing design eliminates the need for a valve shaft exposed to beer and air;Spout angle is more vertical allowing a more thorough draining after each pour - no horizontal area for beer to collect;Polished interior - smooth flow, less agitation and less foaming;Easy to clean - may be cleaned in place