Hydra Probe II Soil Moisture SensorStevens Hydra Probe II Soil Moisture Sensor Hydra Probe II soil moisture, temperature, & salinity sensor, SDI-12 interface, 25' cable.
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| Stevens Hydra Probe II Soil Moisture Sensor Hydra Probe II soil moisture, temperature, & salinity sensor, SDI-12 interface, 50' cable
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| Stevens Hydra Probe II Soil Moisture Sensor Hydra Probe II soil moisture, temperature, & salinity sensor, SDI-12 interface, 100' cable
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