water bottle filter: 1.made of #5pp; 2.FDA,CE,SGS approved; 3.hot sell 2012 new design water bottle filter:1.Food grade,BPA free,nontoxic,Eco-friendly and competitive price.2.Customized logo /artwork are welcome.3.Doesn't retain or leach flavors. 4.Rounded corners no place for crud or bacteria to hide. hot selling water bottle filter