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  1. Extech PH100 pH Measurement Equipment 0-14 pH

  2. Extech Black Tg20 Wire Tracer And Tone Generator,

  3. Extech Instruments Light Pocket Uv-Ab Meter

  4. Extech Earth Ground Meter Measures Ground Resistance & Voltage

  5. Extech Instruments Nsf Certified Waterproof Digital Thermometer

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