 The Pur brand was created and products invented by Minneapolis-Based Recovery Engineering, Inc., which was sold to Procter & Gamble in 1999 for approximately US$213 million.Outdoor products under the Pur brand were sold to Katadyn USA and the Minneapolis manufacturing plant for all Pur products was closed in 2004.P&G sold Pur to Helen of Troy in January 2012 for an undisclosed amount.