Universal Heat Distribution Plate, Porcelain coated steel heat distribution plate. Distributes heat evenly for improvedgas grilling. Easy to assemble & install. Replaces lava rock & rock grate. Helps control & reduce flare ups & enhances the flavor of food. Fits gas grills with single or dual control burners. Easily adjusts to fit most gas grills Improves burner performance & extends the life of your burners Porcelain coating resists rust & corrosion Provides outstanding heat distribution & temperature control Angled design aids in grease drainage Extends from 10.25" to 25"