Cole-Parmer PTFE-diaphragm pump head, 10 to 100 mL/min GO-07090-62

• Compatible with most Masterflex L/S drives • PTFE and glass wetted parts help maintain fluid purity. • Ideal for pumping through filters or into pressurized systems. • Check valve on inlet side of pump holds prime for up to two hours when pump is off. Pumps include: mounting tools and coupling hardware. (Note: Do not use these pump heads with Masterflex drives requiring a long-shaft pump head.) |Service kits include: one diaphragm, two check valve assemblies, two drive-tang boots an installation wrench, and instructions. Order external PTFE foot valves separately below to maintain prime.