“Whats the difference between the TA500 and 90IP01TA01-W models? They're both Ionic-Pro and made by Envion. They look identical and are both specified for 500 sq. ft. yet are $70 difference in price.”

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• According to Amazon: https://www.amazon.com/Ionic-90IP01TA01W-Turbo-Purifier-Capacity/dp/B000H0RZB0 This description says it has Oxygen Plus Technology - (Turns any Ozone created into pure Oxygen) Does your TA500 incorporate this technology?

  Answered by Chuck 4 years ago

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• TA500 is the model number and 90IP01TA01-W is an old internal item number. I don't know where you are seeing 90IP01TA01-W on Best Buy (it does not appear on a search for me), but I imagine its from a 3rd party seller.

  Answered by BONECO / ENVION 4 years ago

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