Replacement Water Reservoir for Keurig B50, B55, B60, B65, B66, K60, K65, K66, Special Edition and Signature Brewing Systems - 48 oz 48 ounce water reservoir replacement part exclusively for the "Special Edition" and "Signature" Brewing Systems. Manufactured by Keurig Compatible ONLY with B6x/K6x models. PLEASE look underneath you brewer for the model number that qualifies for the replacement. Qualifying models are; B50, B55, B60, B65, B66, K60, K65 and K66. Brewer is not included