Grate Wall of Fire Model RF-5 Reflective Fireback 21" Wide, 15 1/2" Tall. Enhances the heat output of your fireplace. Made in the USA! Protects fireplace masonry from excessive heat. Many sizes available! Constructed from 1/2" thick steel, not brittle cast iron. One piece design eliminates the need to buy separate fireback feet. 30 day guarantee. If you're not completely amazed, return it for a refund.