Hoefer Scientific Instruments PS500X Electrophoresis Power Supply

Hoefer Scientific Instrument PS500X 500 Volt DC Electrophoresis Power Supply

Gelman Sciences Regulated Power Supply PS-500 Volt 500V 100mA Electrophoresis

Hoefer Scientific Instruments Power Supply PS2500

HOEFER SCIENTIFIC PS500X Power Supply - Used, Tested, 30-Day Warranty

FisherBiotech Electrophoresis Power Supply Scientific FB650 6000VDC 350MA

Hoefer Scientific PS 150 Power Supply

Fisher Scientific FB300 Electrophoresis Power Supply