Lopi traditional gas fireplaces are more traditionally sized zero clearance units comprising of 5 models.There are three clean faces models, the 564CF 25K and 864CF 31K and 40K for a minimal finish, the 564HO GS2 for higher heat output and the 864ST GS2 for a more traditionally shaped double sided fireplace. Each model can be built into a mantelpiece or finished in a painted wall with a finishing trim or tile.