Rat Coronary Artery Endothelial Primary Cell Culture Serum Free Media. This Product is also available with Serum Cat# M12101-04S This product would require pre-coated flasks with Rat Coronary Artery Endothelial Primary Cell Culture Extra-cellular Matrix Cat# E12101-04 and Rat Coronary Artery Endothelial Primary Cell Culture Cat# 12101-04 This product is tissue culture tested and is available as 500ml sterile filtered unit. The product is also available as a pack of 6, 500ml unit sizes.