Incorporated in 2016, Puratec delivered filtering systems to hotels and restaurants to make their own branded still and sparkling bottled water.  It was a business familiar to owner Dermot O’Brien who had previously established Infinity Pure Water from his base in Mitchelstown, Co Cork, having secured the rights from an American parent company. “This system can save hotels, depending on their size, anything up to €50,000 a year,” he told The EXaminer in 2011 citing the Griffin Group of hotels in Wexford and Kilkenny, the Maryborough in Cork and the Ritz Carlton at Powerscourt, Co Wicklow as clients. The product…