The Keurig MINI AIR PUMP CJP37-C12A2 Replacement Parts are specifically designed for Keurig coffee makers, including models K40, K60, K70, B40, B60, and B70. This OEM air pump is essential for maintaining the proper pressure and brewing quality of your Keurig machine. With a single air pump included in the pack, this replacement part ensures that your coffee maker continues to function effectively and efficiently. Trust in the Keurig brand for reliable and durable coffee maker parts.