Lopi traditional gas fireplaces are more traditionally sized zero clearance units comprising of 4 models.There are two clean faces models, the 564 and 864 CF GS2 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.