I think it a enviro ef3. Not sure myself, have a freind of a freind that got it at a closeout auction.maybe i can get it frome him cheap he says its never been fired He does not know anything about it and its about 80 mile drive one way also might be a insert it looks dated as I was trying to find pics online with no luck I figure (hearth.com will make quick work of this)thanks for all your help