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  1. Extech EC500 pH Meter 0-14 pH

  2. Extech Instruments 445702 Hygro-Thermometer Clock

  3. Extech 45116 Replacement Impeller For 45118 Anemometer

  4. Extech 44550 Pocket Humidity/Temperature Pen

  5. Extech 445815 Humidity Alert Hygro Thermometer

  6. Extech Stw515 Stopwatch/Clock With Backlit Display

  7. Extech LRK10 Lighting Retrofit Kit - NEW

  8. Extech TM20 Temperature Indicator Digital Thermometer

  9. Extech SD800 CO2 Humidity and Temperature Data Logger

  10. Extech DL160 Voltage and Current Data Logger

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