Electronic flow meter to monitor your cartridge and general water use.
Monitor your water usage and time when to change your cartridge. 
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Set alarm for when it is time to change cartridge
Up to 5 filter capacity life monitor, up to 99500 liters or 19900 gallons
End of filter life alert
Battery operated, 2 AA batteries
Low battery power alert
Automatic data memorized when battery power is off
Flow Rate : 0.6 – 8.0 lpm
Temperature : 0 to 80℃
Pressure : Max. 8 bar
Weight : 140 g