LaMotte pH Tracer PockeTester - 1741 pool-dimensions_20x44 This is a Pentair 3/4

This is a Pentair 3/4 inch Service Union

Used on filters manufactured after 6-2004 including: Sand Dollar Top Mount Filters

Constructed of 100% prime synthetic resin

This round cover is 9-7/8 inches in diameter

This is a Taylor Cyanuric Acid Standard 50 parts per million (ppm) replacement reagent for Taylor reagent package K-7-66-E

LaMotte pH Tracer PockeTester - 1741 pool-dimensions_20x44 This is a Pentair 3/4This pH Tracer PockeTester measures pH from 0. 00 to 14. 00 with an accuracy of plus minus 0. 01. A memory feature saves calibrations between sensor changes and stores up to 15 readings. With this PockeTester, you can add a TCI (Chlorine) and or ORP sensor so you can test three factors (sold separately). The rugged flat surface electrode will alert user when it's time to RENEW. A CAL indicator shows when to recalibrate and user can select a 1, 2, or 3