The Ultrapen PT4 Free Chlorine Equivalent Pocket Tester from Myron L Co. is designed to measure reagent-free pH, ORP and FCe. It features one-button testing. The Pocket Test is made from aircraft aluminum that comes in a tubular enclosure. Testers include a quick-start guide and data sheet. All Ultrapen PT4 Pocket Tests have a one-year warranty. Contact: 760.438.2021;

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