Kulan Vaccum Carafe from Alfi. This is the classic Kulan vaccum carafe, the world's best-selling vaccum carafe. It was designed in 1985 by Ole Palsby and has since then won several awards. It is as elegant and modern now, as it was designed over 30 years ago. The vaccum carafe have a double insert of hardened vacuum glass and keeps the drink warm for 12 hours or cold for 24 hours. Available in several different colors, both shiny and frosted.