We got our Rainbow in November of 2022. My husband used to have asthma and terrible allergies. A few months after we got it he was off all of his asthma medicine. We completed the rebate program.
Over the past three years, it beat the category index, the Morningstar MLP Composite Index, by an annualized 4.8 percentage points, and outperformed the category average by 7.8 percentage points.