Description
Senno Dual TDS Meter CARBONTANK Weight: 96 UV:108S Weight: 96 ✔ STAGE 4 : Select a 100 or 150 gallon per day (GPD) RO membrane with the best 98% rejection rates in the industry To conserve battery life this meter does not have a back light screen you know how well your membrane is performing and whether it is time to replace the DI resin