An absolute must for any Guinness fan, the innovative Guinness Nitrosurge system will help you get the perfect pour at home. The cans are designed to be used with the Guinness Nitrosurge device – which is available here – and its ultrasonic technology which breaks down the nitrogen in Guinness to give that signature ‘surge’ and smooth flavour of great tasting Guinness every time. Guinness Nitrosurge Device not included but can be purchased here . This item is shipped in transit friendly packaging.