This is the replacement electrode cartridge for any of the Hanna line of pH combo meters, including the HI98127, HI98128, HI98129, HI98130, and HI98121.  Replacement tool is not included.

We strongly suggest using a few drops of the HI70300M electrode storage solution or the HI7007M  calibration solution in the cap to keep your probe working properly  This will maintain the reference solution enclosed in the semi-permeable membrane of the bulb.

HI73127  $44.00

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Caprock Developments Inc./PO Box 95/Morris Plains, NJ 07950 USA 
Since 1953.  Delivery available to all points worldwide.
Tel. (800)-222-0325 / (973)-267-9292 from 9:00AM to 5:00PM Eastern Time / Fax (973)-292-0614