TENNENTS LAGER - 12 PACK 12 X 440 ML / 4% Scotland\'s Most favourite Lager. Every perfect pint of Tennent’s Lager contains only 100% Scottish barley, the finest hops and the freshest water from Loch Katrine – which, handily, gets topped up by the glorious Scottish rain. So, when you think about it, where better to make beer than our very own rain-soaked corner of the earth.