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The BWT Aquameter is an accessory that can be fitted to your filter head to monitor the flow of water in your filter cartridge. With just two buttons and an LCD screen, the Aquameter can easily be programmed with your water hardness and will track the total volume of water in gallons. Once it has been programmed, the meter will count down to 0 at which point it is recommended that your filter cartridge be replaced.
Takes 1 CR2032 Battery (included with purchase).
The BWT 3/8" Aquameter with LCD Display is compatible for use with all varieties of BWT water filter cartridges including the BestMax Premium and BestTaste.