3″ Whiskey Helmet, 15L (approximately), Sight glass 3″ Pure Copper 99,99% Copper helmets are ideal for traditional whiskey, brandy or rum production, they offer a larger surface for interacting with the vapor. Such a helmet can be used together with a column or as part of a pot still. Helmet and cone are manufactured with utmost care by hand! Height 300mm Diameter 300mm Thickness 2mm Volume 15L Weight 4,6kg