PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack Andrew And every reusable straw is

And every reusable straw is with 1 stainless steel cleaning brush which is long enough to wash the whole straw

Safety and Quality Assurance -- This industrial chandelier has passed UL certification

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PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack Andrew And every reusable straw isSuper value 1 PH Meter(yellow) +1 TDS & EC Meter (blue)+1soil tester kit (green). Total is 3 PCS. Functions The digital pH pen is equipped with auto temperature compensation function. TDS meter has lock & auto shut off function(Kindly remind : This meter can't test sea water.). Pushing the button, it can display the data about water purity level on the screen in PPM (parts per million). The soil meter can test soil pH to help you control the PH level