Kaz Brand Marketing Arnold Nabs PUR’s Creative Account PUR, the water-filtration device with a relatively new owner, now has a new lead creative agency. Arnold in Boston has landed the brand's creative business after a review. Annual media spending is estimated at $15 million. Brand Marketing PUR Launches Creative Search [UPDATED] PUR, the water filtration device previously owned by Procter & Gamble, is reviewing its creative business. P&G sold the brand to Helen of Troy Ltd. at the end of 2011.