0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa 300cm Long Cable Electrode Color:300cm Long Cable Electrode 0 Cm L X10

0 Cm L X10

which are sufficient to meet your daily needs of use and replacement

1 x ground spring

MATERIAL LAYERS: The black base layer is foam formed from ethylene-vinyl acetate copolymer (EVA) with single coated adhesive

0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa 300cm Long Cable Electrode Color:300cm Long Cable Electrode 0 Cm L X100 14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa Features 300 CM Long Replaceable pH electrode is easy to calibrateReplacement kit set that comes with a set of free calibration powderProvides instant measurement & simple operationEasy monitoring of pH accuratelyComes with protective cap to ensure the safety of the bulbWith Automatic Temperature