Comparison : |
Item # U 4.20, U Series 12 Standard Cubic Feet Per Minute (scfm) and 1 Torr Maximum Vacuum Pressure Oil-Lubricated Rotary Vane Vacuum Pump Item # U 4.40, U Series 28 Standard Cubic Feet Per Minute (scfm) and 0.375 Torr Maximum Vacuum Pressure Oil-Lubricated Rotary Vane Vacuum Pump Item # U 5.71, U Series 49 Standard Cubic Feet Per Minute (scfm) and 0.075 Torr Maximum Vacuum Pressure Oil-Lubricated Rotary Vane Vacuum Pump Item # U 5.101, U Series 71 Standard Cubic Feet Per Minute (scfm) and 0.075 Torr Maximum Vacuum Pressure Oil-Lubricated Rotary Vane Vacuum Pump Item # U 5.166, U Series 116 Standard Cubic Feet Per Minute (scfm) and 0.075 Torr Maximum Vacuum Pressure Oil-Lubricated Rotary Vane Vacuum Pump
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