When Did Keurig B31 Come Out?
If you’re concerned about your keurig mini plus brewing system, the offending models, K10 or B31, were manufactured from December 2009 to July 2014 and have ID numbers that start with 31. How can you tell how old your Keurig is? The serial number tells you whether you have a K55, K425, K-Elite, or one … Read more