- The life cycle of your Ozonics HR Unit can be influenced by several variables, most notably:

- Your care and handling of your HR Unit - How much you use your HR Unit (total runtime hours).

- The environmental elements your HR Unit is exposed to during those hours.

- Ozonics offers 100 percent product replacement for your HR-200 or HR-300 on any workmanship or component defects limited to 1 year from date of purchase.

- All batteries and accessories have a 100 percent product replacement warranty for workmanship or component defects for 6 months from date of purchase.

- Please note: The Ozonics Money-Back Guarantee was discontinued and expired effective December 31, 2015.