ECONOMICAL MODEL R-20
Economically priced model can handle up to 20,000 gallons of water. Ideal for above ground pools. Features LED light readouts for easy monitoring of alternating electrode indicators.Control knob has five settings in addition to OFF.Easy to view, self-contained electrode chamber is out of the direct flow of the water for long lasting results.Package includes flow cell chamber,PVC fittings and test kit. Durable weatherproof enclosure. NSF Standard 50 approved, NASA licensed technology.
Full 5-year warranty.