Peanut 3 Big Green Egg Covers A full grid is different A full grid is different from the half moon grids used to build mixed surface EGGspander arrangements Big air washed windows on three sides ensure that you'll always get a great view of the fire from the WIKING Miro 3 Lower Door with the extra height the compartment provides giving the fire chamber even more presence Provided there's a minimum distance of 50mm at the sides then Saltfire claim that the Peanut 3 can be safely installed within a 16" (400mm) wide standard builder's fireplace opening usually with the minimum of building work required 0kW heat output range makes it a practical heating solution for most of the year