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Hanna Instruments HI99104 Educational pH Tester, 0.00 to 14.00 pH Measuring Range, +/-0.2 pH Accuracy, 0.01 pH Resolution
Go to see$29.40 -
Hanna Instruments HI 98140N Waterproof Portable pH Meter, with Smart Electrode and Log-On-Demand
Go to see$406.43 -
SanDisk Ultra 32GB SDHC Class 10/UHS-1 Flash Memory Card Speed Up To 30MB/s, Frustration-Free Packaging- SDSDU-032G-AFFP (Label May Change)
Go to see$17.99