COIT 70 Year Anniversary TV Commercial, 'A Blast From the Past: Air Ducts'

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For COIT's 70th anniversary, the cleaning service is showing flashbacks of old advertisements. This blast from the past tells unsuspecting homeowners that their air ducts might be breeding germs and bacteria undetectable by the human eye. COIT is offering customers 40 percent off a cleaning service when they vote for their favorite throwback commercial online.