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The HI73120 is a spare ORP electrode, compatible with the HI98120 ORP Tester.
Out of stock
The HI73120 is a spare ORP electrode, compatible with the HI98120 ORP Tester. Replacing an ORP electrode on the HI98120 ORP Tester is both quick and easy. The spare electrode is designed as an easy-fit cartridge that locks into place, featuring two O-rings to maintain a watertight seal.
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