History of units:

 These 330A units were opened but never used. When the side panels on the units were attachd at the factory the safety swithes were broken. I have repaired the safety switch problem and they work fine now.These units have literally never been used... They do however have a few scratches on them as they have been stored for a few years in our garage. Feel free to call Sonozaire and ask them about this safety switch issue.. they will concur...

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Sonozaire 330A - Odor Neutralizer

Sonozaire Odor Neutralizers are industrial ozone generators. They produce ozone electronically from oxygen in the air. These units do not use any chemicals, operate unattended and need only occasional cleaning and maintenance. They contain electrical and electronic components to generate ozone, using only small amounts of electricity.
Sonozaire units are built of heavy-duty aluminum construction. Industrial ozone generators are designed to be used in uninhabited areas, or used at volumes that are limited by OSHA or EPA regulations. All models, except the 5G, allow users to adjust the ozone output according to the level of odor and the desired duration of treatment.

Sonozaire 330A Specs http://www.sonozaire.com

12" x 10" x 10"
58 lbs
130 watt
Air Volume: 60hz (cfm)
50hz (cu m per hr