Ilsa’s Gas Ring Reducer quickly decreases the size of gas burner openings in center grates so that smaller cookware and accessories have a stable cooking surface. Made in Italy from cast iron, Ilsa’s Gas Ring Reducer is easily placed over the gas burner to eliminate unsteady cooking conditions for better kitchen safety practices. The cast iron is durable, sturdy, and absorbs then diffuses heat evenly for greater energy efficiency. It’s ideal for use under smaller cooking vessels and accessories, like sauce pans, tea kettles, butter warmers, Turkish warmers, omelette pans, stove-top coffee makers and espresso pots, flame-safe measuring cups, and more. Made in Italy from cast iron, Ilsa’s Gas Ring Reducer is durable, sturdy, and compact for easy storage. Measures 5-inches in diameter. Wipe clean or hand wash in warm, soapy water and dry thoroughly.