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1. Extech EC500 Chlorophotometer 1 Pc. + Defect (287630)

2. Extech Black Tl809 Electronic Test Lead Kit

3. Extech Instruments Data Acquisition Software & Usb Cable

4. Extech Instruments 10Ph Buffer Solution (2X Bottles)

5. Extech PH100 pH Measurement Equipment 0-14 pH

6. Extech Instruments Light Ir Thermometer 8:1

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