The KEURIG K40 Control Circuit Board KE425L25 Replacement Part is a black plastic control circuit board specifically designed for Keurig single serve brewers. This replacement part is compatible with models B40, K40, K45, K65, B60, and K60. Made in China, this circuit board is essential for ensuring the proper functioning of your Keurig coffee maker. This product includes one control circuit board in the package.