Montheith’s Brewery, Greymouth, Westland, south island, New Zealand. Published 18/03/2013 at 1000 × 750 in Craft beer and the craftier Weka – the end of our south island adventure The rest of the bottling unit. The same Kiwi had built them a beer keg cleaner/filling unit. The guy was an engineering genius. Apparently no other brewery has a device that can do both jobs in one and is mostly automated.