HM Digital FM-2 Water Filter Monitor - 5-Stage Timer with Flow Sensor and LED Indicator push-button meter The color indicates the percentage

The color indicates the percentage of elapsed time

±3°C (-50 to -10°C )

Measurement Scales pH: pH

The TRM-1 is a unique monitor offering the user 3 points of contact during the filtration process

HM Digital FM-2 Water Filter Monitor - 5-Stage Timer with Flow Sensor and LED Indicator push-button meter The color indicates the percentageHM DIGITAL FM 2 Water Filter Monitor with 5 Stage Volumizer and Timer, Flow Sensor and Filter Indicator Disc, + 1% Accuracy A five stage filter monitor with five independent timers and a tri color LED faucet indicator disc. The volumizer counts up in gallons or liters (settings can be modified). Works on time (and volume for the FM 2) for up to five stages (can be less). The LED indicator disc will illuminate a green, yellow or red light when the