This is a genuine OEM Keurig water level guide insert set compatible with the following models:

☕ Keurig K10, K15, and B31 mini coffee brewers.

🧩 Includes:

(1) 6 oz MIN insert

(1) 8 oz insert

(1) 10 oz MAX insert

Each disc is marked with its respective fluid capacity and designed to drop into the water reservoir to help users measure their brew size accurately.

🎯 Fits Models: K10, K15, B31 (Mini Plus Brewer)

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🧼 Condition:

Pre-owned, in excellent condition. No cracks, chips, or damage. Clean and ready to use.