Good, Working 100 RPM Cole-Parmer Masterflex Variable-Speed, Bi-Directional Peristaltic Pump 7523-90 with EASY LOAD II PUMP HEAD model 77202-60, for Masterflex L/S Tubing Sizes 13, 14, 16 and 25.

(WE HAVE MANY DIFFERENT MODELS OF MASTERFLEX PUMP HEADS. IF YOU NEED A DIFFERENT MODEL PUMP HEAD THAN THE ONE LISTED, WE CAN SWITCH IT OUT FOR YOU. PLEASE LET US KNOW IF YOU NEED FOR US TO SWITCH IT.)