Glenfiddich Perpetual Set Vat Collection The line comprises four expressions: Vat 01, Vat 02, Vat 03 and Vat 04. Vat 01 is a 40% ABV single malt. The blend is forever in motion within the Solera Vat 1 and offers sweet and spicy notes, with added depth and complexity thanks to its maturation in bourbon and red wine casks. Vat 02 is a mellow yet complex liquid with 43% ABV. This rich single malt was double matured in oak and Spanish sherry casks and has a smooth and silky finish.