Pyrex REPLACEMENT STEM PUMP For Glass Percolator 5 1/2" fits #7756-B Coffee Pot. Excellent gently used condition. Does have one very tiny chip on the underneath inside part of the base (shown in photo #9 at about the four o'clock position), which does NOT affect the way it works or looks. This listing is for the STEM ONLY. Approx. measurements shown in photos # 7 and #8. From a pet friendly and smoke free home.