HM Digital DM-2 Commercial Dual TDS Monitor reusable glass bottle 2 x Alexapure Pitcher Replacement

2 x Alexapure Pitcher Replacement Filters (pre-primed)

I found both very difficult to use

1 mS/ppt | 0

takes up very little space

6 gallons)

HM Digital DM-2 Commercial Dual TDS Monitor reusable glass bottle 2 x Alexapure Pitcher ReplacementInstall on industrial systems such as car washes, window washing, manufacturing, and food processing. UPGRADED APRIL 2012! The newly upgraded model features digital calibration, low battery indicator, improved accuracy, longer battery life (2 years), longer auto shut off time (3 min), diagnostic error messaging, and shielded sensor cables. (Upgraded features below are in red.) FEATURES Highly efficient and accurate due to its advanced microprocessor