SV Supreme has been artisanally-crafted using hundreds of years of Russian vodka heritage combined with the best of 21st century distilling techniques. It is filtered a total of fourteen times to achieve its extraordinary purity. Filtration through five different types of mountain crystals and minerals…crystal quartz, morion, chalcedony, topaz and opal…is used to polish the spirit to an unparalleled level of natural smoothness previously not available in a Russian vodka.