DigiFlow - Model 8100T, 1/4 Inch -Flow & Time Monitor

Filter capacity life monitor, from 500 to 99500 liters.. Filter elapse time monitor, from 30 to 720 days. Flow rate display, 0.6 -8.0 lpm. Near end of filter life alert. End of filter life alert. Battery operated, 2 AA batteries. Low battery power alert. Automatic data memorized when battery power is off.