The acorn view 4 flexifuel stove has been enhanced to offer a much larger glass window then the original acorn stove the acorn view 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 stove it has been designed to meet defras stringent approval and combines simple clean styling primary amp secondary air control for cleaner glassnew flexifuel grate amp external riddle grate mechanismtop or rear flue options