This NSF Certified filter is made for our British Berkefeld Gravity Systems

Full traceability — every packet is clearly marked with lot number and expiration date

The MA883 eliminates the uncertainty of optical refractometers by providing and accurate digital readout

Calibrating regularly is best to keep your MI180 5-in-1 MAX Bench meter accurate for all your readings

Elevated chloride levels in drinking water affect taste and can indicate contamination

HM Digital SP-C4 Replacement TDS Sensor for COM-360 | OEM Drop-In Replacement NIST traceable calibration This NSF Certified filter isHM Digital SP C4 Replacement TDS Sensor for COM 360 Restore your HM Digital COM 360 to factory spec accuracy with the SP C4 OEM replacement TDS sensor. Designed as a direct drop in replacement, the SP C4 delivers reliable total dissolved solids (TDS) measurement without the cost of replacing your entire meter keeping your water quality monitoring operation running without interruption. Key Features Direct OEM replacement engineered specifically for