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Replacement electrode for waterproof microprocessor TDS and ECTestrs
Replacement for the following models:
WD-35661-11 Waterproof Microprocessor TDSTestr low
WD-35661-21 Waterproof Microprocessor TDSTestr high
WD-35661-31 Waterproof Microprocessor ECTestr low
WD-35661-41 Waterproof Microprocessor ECTestr high
Item Number: 131987
Manufacturer's Part Number: WD-35661-17