Get current pricing for Welch, Welch-47954-ID 1.2 Cfm (34-liters Per Minute), 1.7 M3/hr (28-liters Per Minute), 29.6 Hg Vacuum Level, 9 Torr (12 Mbar) Ultimate Pressure, 1/5 Hp (150w) Motor, Uses . Product Category: Lab Equipment, Sub Category: Pumps (liquid, Other):