HM Digital Replacement pH Sensor for PH-200 lighting_accessories Unlike broad-coverage fixtures that waste

Unlike broad-coverage fixtures that waste light on walls and floors

NOTE: Tent sizes given are outside dimensions

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HM Digital Replacement pH Sensor for PH-200 lighting_accessories Unlike broad-coverage fixtures that wasteThis spare pH sensor is for HM Digital Waterproof pH Meter model P 200. Features glass pH sensor and reference tube and thermister.