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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
aquarium filtration
larger grain size)
Perfect for medium to large homes
Compare readings at a glance to verify filter performance without disconnecting anything
5-inch outer diameter
HM Digital (DM-1) Residential Inline Dual TDS Meter-Monitor Lead Removal aquarium filtrationHM Digital HM Digital DM 1 Residential Inline Dual TDS Meter Monitor feed water and product water TDS simultaneously with a dedicated dual probe meter that installs inline for continuous system performance tracking Dual Display 0 9990 ppm Range 2% Accuracy Factory Calibrated WHY IT WORKS Real time monitoring tells you exactly when filters need service Dual TDS Display Separate probes measure incoming tap water and outgoing purified water
