LAICA Water Filtering Jug Prime Line Nature 500 Series (Blue) BI-FLUX MineralBalance Filter. The Exclusive MineralBalance Formula Helps to Preserve the Balance of CALCIUM and MAGNESIUM that is Naturally Present in Tap Water. Removable Electronic Indicator to let you know when to Replace your Filter. Removable Indicator allows for EASY CLEANING of the Lid. Pitcher is Dishwasher Safe Pitcher and Filter Raw Materials are BPA FREE Automatic QUICK FILL Lid, allows for Easy Water Filling Big capacity :3L total capacity