... resistant 2,Competitve Price 3,HIGH TRANSPARENT Straight condenser 1213 liebig condenser, 200mm,250mm,300mm,400mm,500mm,600mm,800mm,1000mm ... . 1214 condenser allihn type200mm,250mm,300mm,400mm,500mm,600mm,800mm, ... ,500mm,600mm,800mm,1000mm. 1216 reflux condenser pipe graham type/spiral type300mm,400mm,500mm,600mm. 1217 reflux condenser pipe liebig type 300mm