Portable dissolved oxygen meter DO meterJPB-607A for Aquaculture fish pond water

Portable dissolved oxygen meter DO meterJPB-607A for Aquaculture fish pond water

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JPB-607A 0-19.9Mg/L Dissolved Oxygen Meter Dissolved Oxygen Tester For Aquaculture Fish Pond Farm

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JPB-607A 0-19.9Mg/L Dissolved Oxygen Meter Dissolved Oxygen Tester For Aquaculture Fish Pond Farm

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