Barnstead B-pure Pura-Lite Indicator, 200,000 ohm-cm Resistivity Range
Barnstead B-pure Digital Purity Monitor can Easily be Added to New or Existing Deionization Systems
B-pure Pura-Lite Indicator provides visible sign of water purity—green light indicates acceptable purity, red light signals unacceptable level. Fits any 1/2" NPT connection.