Used working Corning PC-420 stirrer / hotplate 6x7 ceramic top. The item "Corning PC420 PC-420 stirrer mixer hotplate magnetic hot plate laboratory dfmq" is in sale since Saturday, March 10, 2018. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Lab Equipment\Heating & Cooling\Burners & Hotplates"." and is located in Derwood, Maryland. This item can be shipped worldwide.