Smirnoff No. 21 Vodka is the World's No. 1 Vodka. This award-winning vodka has robust flavor with a dry finish for ultimate smoothness and clarity. Triple distilled and 10 times filtered, Smirnoff No. 21 Vodka is perfect on the rocks or in your favorite cocktail. Smirnoff No. 21 is Kosher Certified and gluten free.