AquaZone PLUS combines this high-tech ozonizer with a top quality redox controller featuring a range of 0-1999 mV, a ±1 mV accuracy, and a backlit LCD display. The easy-to-set dial allows you to determine an ORP setpoint for your tank anywhere from 0-500 mV. (Probe not included. See listing below.) All units are just 11/4 lbs. and 65/8"L x 61/4"W x 21/4"H.

Manufacturer Warranty: 1-year limited warranty from date of purchase.