US$ 187.50
allowing you to replace filters based on actual usage rather than estimated timeframes
✅ Social impact built in — every purchase donates 100 days of clean water to communities in need
7 oz) What's Included
and blood pressure
Remove the old filter cartridge
HM Digital SP-C3 Replacement Probe – pH/EC/TDS/Temp Sensor for COM-300 COM-300L allowing you to replace filtersHM Digital SP C3 Replacement Probe for COM 300 Keep your COM 300 multi parameter meter performing at its best with the genuine HM Digital SP C3 replacement probe. Engineered for precision measurement of pH, Electrical Conductivity (EC), Total Dissolved Solids (TDS), and Temperature in a single sensor ideal for hydroponics, aquaculture, water quality testing, and laboratory use. Key Features Direct replacement probe for the HM Digital COM 300 meter
US$ 187.50
US$ 150.00
US$ 162.23
US$ 132.50