The ecoburn plus is visually stunning with an even more extensive viewing window than seen on the standard ecoburn the ecoburn plus features the new flexifuel system that allows you to burn coal and wood while maintaining high efficienciesthe ecoburn plus is efficient easy to operate and built to last a life time which is why aarrow offer a lifetime guarantee on the body of the stoveprimary amp secondary air control for cleaner glassnew flexifuel grate amp external riddle grate mech