Quadrupled distilled and triple charcoal filtered for superior smoothness. This propriety process makes Burnett's one of the purest vodka's on the market. 100% Gluten free and made in America.Burnett's Vodka is truly unique because it is quadruple distilled which renders a final product that is superior in quality, smoothness and taste compared to other vodkas.This unique filtration process renders a final product which is 'clearly' superior in quality, smoothness and taste to its major competitors in both imported and domestic Vodka segments.