Available in cans, kegs and bottles with nitrogen and carbon dioxide. Pasteurised. Usually called Draught; sometimes called Cold or Extra Cold - same beer, but served colder. Launched in 1961. Ingredients: Pale ale malt, about 25 to 30% flaked barley, and about 10% roasted barley, with no other grains or sugars; several hop varieties, mainly Goldings (pellets and isomerized extract); a flocculent head-forming ale yeast.
For kegerator owners, requires a type 'U' coupler (Guinness).
In addition, Guinness requires 'Guinness Gas' and a Euro faucet for pouring.