Get current pricing for Cole-parmer Masterflex, 752C-52 Cole-parmer Masterflex Ptfe Diaphragm Pump Model 752c-52 With A Cole-parmer Model 7090-42 Pump Head. 800 Ml/min At 0 Psi, 50 Psi Maximum Continuous Du . Product Category: Lab Equipment, Sub Category: Pumps (liquid, Other):