I'm trying to take advantage of your mail in rebate that is currently active but I can't find the serial number on my Classic RODI (100 GPD) model. Any tips?
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There isn’t one.I asked the same question earlier. Just submit the form without the serial number.I'm trying to take advantage of your mail in rebate that is currently active but I can't find the serial number on my Classic RODI (100 GPD) model. Any tips?