Fitz-All Heat Diffusers For Use On Ranges To Protect Glass Cookware, Card of 2

Simply set these metal grids on gas or electric stovetop burners to provide uniform heat-eliminating hot spots to protect glass coffee or teapots from breaking. By controlling heat transferred from range to pan, they encourage gentle simmering to prevent foods from scorching. Set includes 2 diffusers. Each, 3-3/4" long x 3-3/4" wide.