Caframo Firemizer, 16" x 11.5" The Firemizer is a uniquely patented device to maximize the heat output of a fire while burning less fuel Up to 38% savings on amount of wood burned with the Firemizer mean more efficient fuel use Creosote build up is reduced by 57% resulting in a clean efficient burn and no chemicals Limits particulate emissions by up to 72Percent Place the Firemizer on the base of the grate or fireplace, build the fire on top as normal and enjoy warm fire and fuel savings Firemizer is 100% recyclable and lasts up to 500 hours per grid - can also be cut and customized to size of fireplace