New, 90 Day guarantee. We will give $20 back if you send your core back, we pay shipping, contact us if you want to exchange.
This fits machines with the first six serial number digits below:
2011 Series - AF63 - 2011 (563810)
2011 Series - AF65 (565810)
2011 Series - F80 (580810)
2013 Series - F65 (565812)