The brewery produces a range of cask ales and filtered beers. The company produces cask and bottled ales. Very few whiskies are bottled from a single cask. Draught Bass is a 4.4% ABV cask conditioned beer. Kellerbiers are unfiltered lagers which are conditioned in a similar manner to cask ales. It makes eight regular cask and bottled beers. It is applied to bottle conditioned and cask conditioned beers. A hogshead is a large wooden cask. Isinglass is the most common fining used to clear cask ale. In brewing parlance, a keg is different from a cask. The container may be a bottle, can, of keg, cask or bulk tank. During the 1980s Tetley benefited from the increase in sales of cask ale. It features prominently in the Edgar Allan Poe short story "The Cask of Amontillado". Poe responded with "The Cask of Amontillado", using very specific references to English's novel. It consisted of a cask of fire-extinguishing liquid containing a pewter chamber of gunpowder.