Comparison : Item # 7953041004, 4-Position 110 Volt (V) Voltage Midi-Dist Cyanide Distillation System
Item # 7953041204, 4-Position 220 Volt (V) Voltage Midi-Dist Cyanide Distillation System
Item # 7953100010, 10-Position 110 Volt (V) Voltage Midi-Dist Cyanide Distillation System
Item # 7953100036, 10-Position 110 Volt (V) Voltage Midi-Dist Cyanide Distillation System with Extra Glassware
Item # 7953100037, 10-Position Midi-Dist Cyanide Distillation System with 100 Milliliter (mL) Accessories