Tupperware Eco Gallon Water Filter Pitcher Replaces as many as 620 16-oz./487 mL disposable water bottles. *Perfect complement to the Eco Water Bottles, sold separtely. Filter lasts up to four months and filters up to 80 gallons/302 L of water before granules need replacing Unlike other solutions, our filter never gets thrown away. Just replace the inexpensive Water Filter Granules, a quick and easy process. In Cool Aqua.  Pitcher is dishwasher safe.