MasterFlex Peristaltic pump preparative drive Cole Parmer 7549-39 dual two head

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Used working Cole Parmer Barnant MasterFlex  variable speed  Peristaltic   pump  digital standard drive  model 7549-39 with dual pump heads 7019 (accept tubing with OD 3/4 inches. Variable speed 50-650 RPM.. 115v,  If not satisfied, You can return this unit within 14 days for a full refund minus shipping. Lot D4bot