Digital Pocket PH Meter (0.01PH / 0.00~14.00PH) Eye Model It includes numbered parts and

It includes numbered parts and a full-color detailed study guide that identifies all 19 Anatomical parts on the model

All in one

Heart valves

Beaker volumes of 25ml

Pack of 10

Digital Pocket PH Meter (0.01PH / 0.00~14.00PH) Eye Model It includes numbered parts andEnsure Your Pool, General Hydroponics Ph or Even Drinking Water Has a Perfect Ph Balance and Safe for Use with Tester Precision Ph Accuracy. Tester Has a Sensitive Electrode Sensor to Read Accurate Ph Levels. The Included Detailed Manual Will Show You How to Get the Best Accurate and Stable Reading. The PH Meter Has an Auto Temperature Compensation Feature That Adjusts to Water Temperatures and Water Quality to Give Ph Readings Almost Instantly. As