... Product Description We have series of products:total heat core,sensible heat core.For total heat :high performance paper,counterflow, ABS frame instructure, ... are 450*250,380*230,750*450,120*200.For sensible heat:alinminium foil core,coated with epoxy,crossflow,the dimmensions ... 340,350*350,400*400,450*450,500*500.For sensible heat:alinminium foil core,coated with epoxy,counterflow,the dimmensions ...