Professional Online PH ORP Monitor LED Display Aquariums Swim Fish Pool Water Qualilty pH ORP Tester Data Lock Electrode Sensor. 1092g / 38.5oz Size: Approx. 150 85 40mm / 5.9 3.3 1.6in. PH ORP Monitor 1 Probe 2 Silicone Sucker 2 Instruction Manual 1 Bracket 1.
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