2 Pk Filters Trav Botle Blue Wh

ZeroWater portable filters employ break-through technology that indicates when to change your filter. During regular use you will be able to see a color change through the built-in window. Filter Color Change Next-generation filter technology shows exactly when to replace the filter. Each filter is built with a Color Change window which shows exactly when to replace the filter - for the ZB-030. Blue/White