Restore your Keurig K-Classic coffee maker with this high-quality [Configuration B] replacement water reservoir, built to match the original in fit and function. Whether your original tank is cracked, leaking, or missing, this replacement offers a perfect solution to get your brewer back up and running. (Not compatible with the K90) ? Important Compatibility Notice: This reservoir is ONLY compatible with Keurig K-Classic brewers and will NOT work with any Keurig 2.0 models (including K200, K250, K300 series, etc.). To avoid ordering the wrong item, please watch the video provided to verify the correct configuration before purchasing. Made from durable, BPA-free plastic, this water tank is safe for daily use and built to last. It installs in seconds—just slide it into place, and you're ready to brew. With a clear design and easy-to-read fill lines, it's both practical and user-friendly. Whether you're replacing a damaged tank or keeping a spare on hand, this Keurig K-Classic replacement water reservoir is a must-have accessory for coffee lovers who depend on their brewer every day.