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Extech EC500 pH Meter 0-14 pH
Extech Instruments 445702 Hygro-Thermometer Clock
Extech 45116 Replacement Impeller For 45118 Anemometer
Extech 44550 Pocket Humidity/Temperature Pen
Extech 445815 Humidity Alert Hygro Thermometer
Extech Stw515 Stopwatch/Clock With Backlit Display
Extech LRK10 Lighting Retrofit Kit - NEW
Extech TM20 Temperature Indicator Digital Thermometer
Extech SD800 CO2 Humidity and Temperature Data Logger
Extech DL160 Voltage and Current Data Logger
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